Switch linking order of libcompat for modules

This precedes libcompat before the system libraries to be able to use
10.7 compiled binaries on 10.6.

close #9527

modules/common.am

@@ -31,7 +31,7 @@ AM_LDFLAGS = \
 	-export-symbols-regex ^vlc_entry \
 	-shrext $(LIBEXT) \
 	-no-undefined \
-	$(LTLIBVLCCORE) $(top_builddir)/compat/libcompat.la
+	$(top_builddir)/compat/libcompat.la $(LTLIBVLCCORE) 
 if HAVE_WIN32
 AM_LDFLAGS += $(top_builddir)/modules/module.rc.lo
 endif