Add patch to fix ppc build

ffmpeg.spec

@@ -97,6 +97,7 @@ Source0:        ffmpeg-%{?branch}%{date}.tar.bz2
 %else
 Source0:        http://ffmpeg.org/releases/ffmpeg-%{version}.tar.xz
 %endif
+Patch0:         fix_ppc_build.patch
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
 %{?_with_cuda:BuildRequires: cuda-minimal-build-%{_cuda_version_rpm} cuda-drivers-devel}
 %{?_with_libnpp:BuildRequires: pkgconfig(nppc-%{_cuda_version})}
@@ -322,6 +323,7 @@ echo "git-snapshot-%{?branch}%{date}-rpmfusion" > VERSION
 %else
 %setup -q -n ffmpeg-%{version}
 %endif
+%patch0 -p1
 # fix -O3 -g in host_cflags
 sed -i "s|check_host_cflags -O3|check_host_cflags %{optflags}|" configure
 mkdir -p _doc/examples

fix_ppc_build.patch

@@ -0,0 +1,21 @@
+--- a/libswscale/ppc/swscale_vsx.c
++++ b/libswscale/ppc/swscale_vsx.c
+@@ -154,7 +154,7 @@
+     }
+ }
+ 
+-static void yuv2plane1_nbps_vsx(const int16_t *src, uint16_t *dest, int dstW,
++static av_always_inline void yuv2plane1_nbps_vsx(const int16_t *src, uint16_t *dest, int dstW,
+                            int big_endian, int output_bits)
+ {
+     const int dst_u = -(uintptr_t)dest & 7;
+@@ -273,7 +273,7 @@
+     }
+ }
+ 
+-static void yuv2plane1_16_vsx(const int32_t *src, uint16_t *dest, int dstW,
++static av_always_inline void yuv2plane1_16_vsx(const int32_t *src, uint16_t *dest, int dstW,
+                            int big_endian, int output_bits)
+ {
+     const int dst_u = -(uintptr_t)dest & 7;
+