ffmpeg: enable PIC on Solaris

Signed-off-by: Rafaël Carré <funman@videolan.org>
(cherry picked from commit 0e9928bea14bc1f25549dbedfc4642f8799d27ca)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

contrib/src/ffmpeg/rules.mak

@@ -135,6 +135,10 @@ else # !Windows
 FFMPEGCONF += --enable-pthreads
 endif
 
+ifdef HAVE_SOLARIS
+FFMPEGCONF += --cpu=core2 --enable-pic
+endif
+
 # Build
 PKGS += ffmpeg
 ifeq ($(call need_pkg,"libavcodec >= 54.25.0 libavformat >= 53.21.0 libswscale"),)