Skip the check for SSE aligned memory allocators when SSE is disabled.

Fixes issue 1269.

Originally committed as revision 19437 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -2091,7 +2091,7 @@ check_header vdpau/vdpau.h
 check_header vdpau/vdpau_x11.h
 check_header X11/extensions/XvMClib.h
 
-if ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ; then
+if enabled sse && { ! enabled_any memalign memalign_hack posix_memalign && enabled need_memalign ;} ; then
     die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
 fi