contrib: prefer PIC for a52

contrib/src/a52/liba52-pic.patch

+diff -ru a52dec.orig/liba52/configure.incl a52dec/liba52/configure.incl
+--- a52dec.orig/liba52/configure.incl	2011-08-03 13:22:24.000000000 +0300
++++ a52dec/liba52/configure.incl	2011-08-03 13:22:46.000000000 +0300
+@@ -1,9 +1,6 @@
+ AC_SUBST([LIBA52_CFLAGS])
+ AC_SUBST([LIBA52_LIBS])
+ 
+-dnl avoid -fPIC when possible
+-LIBA52_CFLAGS="$LIBA52_CFLAGS -prefer-non-pic"
+-
+ AC_ARG_ENABLE([double],
+     [  --enable-double         use double-precision samples])
+ if test x"$enable_double" = x"yes"; then

contrib/src/a52/rules.mak

@@ -12,15 +12,14 @@ $(TARBALLS)/a52dec-$(A52DEC_VERSION).tar.gz:
 
 a52dec: a52dec-$(A52DEC_VERSION).tar.gz .sum-a52
 	$(UNPACK)
+	$(APPLY) $(SRC)/a52/liba52-pic.patch
 ifndef HAVE_FPU
 	$(APPLY) $(SRC)/a52/liba52-fixed.diff
 endif
 	$(MOVE)
 
 .a52: a52dec
-ifdef HAVE_WIN64
 	$(RECONF)
-endif
 	cd $< && $(HOSTVARS) ./configure $(HOSTCONF)
 	cd $</liba52 && $(MAKE) install
 	cd $</include && $(MAKE) install