Added a pike level wrapper for the Mysql module.

lib/modules/Mysql.pmod/module.pmod

+#pike __REAL_VERSION__
+
+#if constant (___Mysql)
+
+inherit ___Mysql;
+
+#else  // !___Mysql
+constant this_program_does_not_exist = 1;
+#endif

src/modules/Mysql/configure.in

@@ -20,6 +20,9 @@ AC_CONFIG_HEADER(config.h)
 
 AC_MODULE_INIT()
 
+# ___Mysql.so is wrapped by lib/modules/Mysql.pmod.
+MODULE_WRAPPER_PREFIX="___"
+
 PIKE_FEATURE_WITHOUT(Mysql)
 
 OLD_LIBS=$LIBS