Contrib: Fix liboil cpu detection

Fix provided by NightStrike from mingw-w64 project

extras/contrib/src/Makefile

@@ -2463,6 +2463,8 @@ liboil-$(OIL_VERSION).tar.gz:
 liboil: liboil-$(OIL_VERSION).tar.gz
 	$(EXTRACT_GZ)
 	patch -d liboil -p1 < Patches/liboil-noshared.patch
+	patch -d liboil -p1 < Patches/liboil-Xcompile.patch
+
 
 .liboil: liboil
 ifdef HAVE_DARWIN_OS

extras/contrib/src/Patches/liboil-Xcompile.patch

+diff -ruN liboil.new/m4/as-unaligned-access.m4 liboil/m4/as-unaligned-access.m4
+--- liboil.new/m4/as-unaligned-access.m4	2009-08-18 10:59:02.000000000 +0200
++++ liboil/m4/as-unaligned-access.m4	2009-08-18 10:59:32.000000000 +0200
+@@ -4,7 +4,7 @@
+ AC_DEFUN([AS_UNALIGNED_ACCESS], [
+   AC_MSG_CHECKING([if unaligned memory access works correctly])
+   if test x"$as_cv_unaligned_access" = x ; then
+-    case $host in
++    case $host_cpu in
+       alpha*|arm*|hp*|mips*|sh*|sparc*|ia64*)
+         _AS_ECHO_N([(blacklisted) ])
+         as_cv_unaligned_access=no