ffmpeg: don't force Intel Core 2 optimizations if not building 64-bit on Solaris
ffmpeg: don't force Intel Core 2 optimizations if not building 64-bit on Solaris

Signed-off-by: Rafaël Carré <29a40ef51885229607cd1e19e467be5d13190cad@videolan.org>
(cherry picked from commit 97fc89290b0279c826232b816e5ba5c334283d79)
Signed-off-by: Jean-Baptiste Kempf <7b85a41a628204b76aba4326273a3ccc74bd009a@videolan.org>

jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2