File no-undefined.mingw.patch of Package mingw64-libmad

--- libmad-0.15.1b/Makefile.am.orig	2004-02-17 06:02:03 +0400
+++ libmad-0.15.1b/Makefile.am	2012-04-13 22:45:27 +0400
@@ -101,7 +101,7 @@
 
 version_info =		$(version_current):$(version_revision):$(version_age)
 
-libmad_la_LDFLAGS =	-version-info $(version_info)
+libmad_la_LDFLAGS =	-version-info $(version_info) -no-undefined
 
 mad.h: config.status config.h Makefile.am  \
 		$(srcdir)/COPYRIGHT $(srcdir)/mad.h.sed $(exported_headers)