Lots more gcc warnings fixes

src/util/mdb-array.c

@@ -30,7 +30,7 @@
 int
 main (int argc, char **argv)
 {
-int j;
+unsigned int j;
 MdbHandle *mdb;
 MdbTableDef *table;
 MdbColumn *col;

src/util/mdb-export.c

@@ -49,7 +49,7 @@ print_col(gchar *col_val, int quote_text, int col_type)
 int
 main(int argc, char **argv)
 {
-	int j;
+	unsigned int j;
 	MdbHandle *mdb;
 	MdbTableDef *table;
 	MdbColumn *col;

src/util/mdb-header.c

@@ -35,7 +35,7 @@ void copy_header (FILE *f)
 int
 main (int argc, char **argv)
 {
-int   i, j, k;
+unsigned int   i, j, k;
 MdbHandle *mdb;
 MdbCatalogEntry *entry;
 MdbTableDef *table;

src/util/mdb-import.c

@@ -109,7 +109,7 @@ prep_row(MdbTableDef *table, unsigned char *line, MdbField *fields, char *delim)
 	MdbColumn *col;
 	char delims[20];
 	char *s;
-	int file_cols;
+	unsigned int file_cols;
 
 	/*
 	 * pull apart the row and turn it into something respectable

src/util/mdb-schema.c

@@ -30,7 +30,7 @@ static void generate_table_schema(MdbCatalogEntry *entry, char *namespace, int s
 int
 main (int argc, char **argv)
 {
-	int   i;
+	unsigned int   i;
 	MdbHandle *mdb;
 	MdbCatalogEntry *entry;
 	char		*the_relation;
@@ -131,7 +131,7 @@ generate_table_schema(MdbCatalogEntry *entry, char *namespace, int sanitize)
 {
 	MdbTableDef *table;
 	MdbHandle *mdb = entry->mdb;
-	int i;
+	unsigned int i;
 	MdbColumn *col;
 
 	/* make sure it's a table (may be redundant) */

src/util/mdb-sql.c

@@ -167,12 +167,12 @@ do_set_cmd(MdbSQL *sql, char *s)
 }
 
 int
-read_file(char *s, int line, int *bufsz, char *mybuf)
+read_file(char *s, int line, unsigned int *bufsz, char *mybuf)
 {
 	char *fname;
 	FILE *in;
 	char buf[256];
-	int cursz = 0;	
+	unsigned int cursz = 0;	
 	int lines = 0;	
 
 	fname = s;
@@ -252,12 +252,9 @@ int i;
 void
 dump_results(MdbSQL *sql)
 {
-	int j;
+	unsigned int j;
 	MdbSQLColumn *sqlcol;
 	unsigned long row_count = 0;
-	int rows, rc, i;
-	MdbHandle *mdb = sql->mdb;
-	MdbFormatConstants *fmt = mdb->fmt;
 
 	if (headers) {
 		for (j=0;j<sql->num_columns-1;j++) {
@@ -292,12 +289,14 @@ dump_results(MdbSQL *sql)
 void 
 dump_results_pp(MdbSQL *sql)
 {
-	int j;
+	unsigned int j;
 	MdbSQLColumn *sqlcol;
 	unsigned long row_count = 0;
+	/*
 	int rows, rc, i;
 	MdbHandle *mdb = sql->mdb;
 	MdbFormatConstants *fmt = mdb->fmt;
+	*/
 
 	/* print header */
 	if (headers) {
@@ -381,7 +380,7 @@ char *s;
 char prompt[20];
 int line = 1;
 char *mybuf;
-int bufsz = 4096;
+unsigned int bufsz = 4096;
 int done = 0;
 MdbSQL *sql;
 int opt;
@@ -475,7 +474,7 @@ char *histpath;
 		} else {
 			while (strlen(mybuf) + strlen(s) > bufsz) {
 				bufsz *= 2;
-				mybuf = (char *) realloc(mybuf, bufsz);
+				mybuf = (char *) g_realloc(mybuf, bufsz);
 			}
 			/* don't record blank lines */
 			if (strlen(s)) add_history(s);

src/util/mdb-tables.c

@@ -78,7 +78,7 @@ get_obj_type(char *typename, int *ret)
 int
 main (int argc, char **argv)
 {
-	int   i;
+	unsigned int   i;
 	MdbHandle *mdb;
 	MdbCatalogEntry *entry;
 	char *delimiter = NULL;

src/util/prindex.c

@@ -26,7 +26,7 @@ void walk_index(MdbHandle *mdb, MdbIndex *idx);
 int
 main(int argc, char **argv)
 {
-	int j;
+	unsigned int j;
 	MdbHandle *mdb;
 	MdbTableDef *table;
 	MdbIndex *idx;

src/util/prole.c

@@ -65,7 +65,7 @@ main(int argc, char **argv)
 
 void dump_ole(MdbTableDef *table, char *colname, char *sargname)
 {
-int i, found = 0;
+unsigned int i, found = 0;
 char ole_data[200000];
 int len;
 MdbColumn *col;

src/util/prtable.c

@@ -23,7 +23,7 @@
 int
 main(int argc, char **argv)
 {
-int i;
+unsigned int i;
 MdbHandle *mdb;
 MdbCatalogEntry *entry;
 int found = 0;

src/util/updrow.c

@@ -72,8 +72,8 @@ int len;
 
 int bind_column(MdbTableDef *table, char *colname, unsigned char *data, int *len)
 {
-int i, found = 0;
-MdbColumn *col;
+	unsigned int i, found = 0;
+	MdbColumn *col;
 
 	for (i=0;i<table->num_cols;i++) {
 		col=g_ptr_array_index(table->columns,i);
@@ -91,7 +91,7 @@ void read_to_row(MdbTableDef *table, char *sargname)
 {
 	static MdbSargNode sarg;
 	char *sargcol, *sargop, *sargval;
-	int i;
+	unsigned int i;
 	MdbColumn *col;