Add support for x264 >= 63

Signed-off-by: Jean-Paul Saman <jpsaman@videolan.org>
(cherry picked from commit 63b05039)

modules/codec/x264.c

@@ -1038,7 +1038,11 @@ static int  Open ( vlc_object_t *p_this )
 
 #if X264_BUILD >= 0x0013
     var_Get( p_enc, SOUT_CFG_PREFIX "b-adapt", &val );
+#if X264_BUILD >= 63
+    p_sys->param.i_bframe_adaptive = val.i_int;
+#else
     p_sys->param.b_bframe_adaptive = val.b_bool;
+#endif
 
     var_Get( p_enc, SOUT_CFG_PREFIX "b-bias", &val );
     if( val.i_int >= -100 && val.i_int <= 100 )