Fix ppolicy libltdl usage on Win32

servers/slapd/overlays/Makefile.in

@@ -74,7 +74,7 @@ pcache.la : pcache.lo $(@PLAT@_LINK_LIBS)
 	$(LTLINK_MOD) -module -o $@ pcache.lo version.lo $(LINK_LIBS)
 
 ppolicy.la : ppolicy.lo $(@PLAT@_LINK_LIBS)
-	$(LTLINK_MOD) -module -o $@ ppolicy.lo version.lo $(LINK_LIBS)
+	$(LTLINK_MOD) -module -o $@ ppolicy.lo version.lo $(LINK_LIBS) $(MODULES_LIBS)
 
 refint.la : refint.lo $(@PLAT@_LINK_LIBS)
 	$(LTLINK_MOD) -module -o $@ refint.lo version.lo $(LINK_LIBS)

servers/slapd/overlays/ppolicy.c

@@ -36,6 +36,7 @@
 #include "lutil.h"
 #include "slap.h"
 #if SLAPD_MODULES
+#define LIBLTDL_DLL_IMPORT	/* Win32: don't re-export libltdl's symbols */
 #include <ltdl.h>
 #endif
 #include <ac/errno.h>