Replace map files by -export-symbols-regex use

We had to support -export-symbols-regex anways
And map file did not really support versions but only list which symbol
to export. So this is more simple.

src/sql/Makefile.am

@@ -1,13 +1,8 @@
 lib_LTLIBRARIES	=	libmdbsql.la
 libmdbsql_la_SOURCES=	mdbsql.c parser.y lexer.l 
-libmdbsql_la_LDFLAGS = -version-info 2:0:0
+libmdbsql_la_LDFLAGS = -version-info 2:0:0 -export-symbols-regex '^mdb_sql_'
 CLEANFILES = parser.c parser.h lexer.c
 AM_CPPFLAGS	=	-I$(top_srcdir)/include $(GLIB_CFLAGS)
 LIBS	=	$(GLIB_LIBS)
 libmdbsql_la_LIBADD =	../libmdb/libmdb.la
 YACC = @YACC@ -d
-if VERSION_SCRIPT
-  libmdbsql_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libmdbsql.map
-else
-  libmdbsql_la_LDFLAGS += -export-symbols-regex '^mdb_sql_'
-endif

src/sql/libmdbsql.map

@@ -1,7 +0,0 @@
-{
-global:
-	mdb_sql_*;
-
-local:
-	*;
-};