contribs: fix lame build on win64

mingw-w64 FORCEINLINE definition includes 'extern'

contrib/src/lame/lame-win64.patch

+--- lame/libmp3lame/vbrquantize.c.orig	2011-11-03 10:26:28.414360800 -0400
++++ lame/libmp3lame/vbrquantize.c	2011-11-03 10:26:30.478371043 -0400
+@@ -81,6 +81,11 @@
+ #define FORCEINLINE
+ #endif
+ 
++#ifdef WIN64
++#undef FORCEINLINE
++#define FORCEINLINE __inline__ __attribute__((always_inline))
++#endif
++
+ typedef VOLATILE union {
+     float   f;
+     int     i;

contrib/src/lame/rules.mak

@@ -10,6 +10,9 @@ $(TARBALLS)/lame-$(LAME_VERSION).tar.gz:
 
 lame: lame-$(LAME_VERSION).tar.gz .sum-lame
 	$(UNPACK)
+ifdef HAVE_WIN64
+	$(APPLY) $(SRC)/lame/lame-win64.patch
+endif
 	$(MOVE)
 
 .lame: lame

extras/contrib/src/Patches/lame-win64.patch

+--- lame/libmp3lame/vbrquantize.c.orig	2011-11-03 10:26:28.414360800 -0400
++++ lame/libmp3lame/vbrquantize.c	2011-11-03 10:26:30.478371043 -0400
+@@ -81,6 +81,11 @@
+ #define FORCEINLINE
+ #endif
+ 
++#ifdef WIN64
++#undef FORCEINLINE
++#define FORCEINLINE __inline__ __attribute__((always_inline))
++#endif
++
+ typedef VOLATILE union {
+     float   f;
+     int     i;

extras/contrib/src/contrib-src.mak

@@ -872,6 +872,9 @@ lame-$(LAME_VERSION).tar.gz:
 
 lame: lame-$(LAME_VERSION).tar.gz
 	$(EXTRACT_GZ)
+ifdef HAVE_WIN64
+	patch -p0 < Patches/lame-win64.patch
+endif
 
 .lame: lame
 	(cd $<; $(HOSTCC) ./configure $(HOSTCONF) --prefix=$(PREFIX) --disable-analyser-hooks --disable-decoder --disable-shared --disable-gtktest --disable-frontend && make && make install)