Remove an unused variable and a noop

src/util/mdb-check.c

@@ -43,7 +43,6 @@ int   i, j, k;
 MdbHandle *mdb;
 MdbCatalogEntry *entry;
 MdbTableDef *table;
-MdbColumn *col;
 char *tabname = NULL;
 int opt;
 

src/util/sargtest.c

@@ -86,7 +86,6 @@ MdbSarg sarg;
 	while(mdb_fetch_row(table)) {
 		fprintf(stdout,"%s",bound_values[0]);
   		for (j=1;j<table->num_cols;j++) {
-			col=g_ptr_array_index(table->columns,j);
 			fprintf(stdout,"%s%s",DELIMETER,bound_values[j]);
 		}
 		fprintf(stdout,"\n");