Fix standalone compilation of image2_alias_pix and image2_brender_pix demuxers.

diff --git a/configure b/configure
index 897cd1e..fad7ff0 100755 (executable)
--- a/configure
+++ b/configure
@@ -2318,6 +2318,8 @@ f4v_muxer_select="mov_muxer"
 flac_demuxer_select="flac_parser"
 hds_muxer_select="flv_muxer"
 hls_muxer_select="mpegts_muxer"
+image2_alias_pix_demuxer_select="image2_demuxer"
+image2_brender_pix_demuxer_select="image2_demuxer"
 ipod_muxer_select="mov_muxer"
 ismv_muxer_select="mov_muxer"
 libnut_demuxer_deps="libnut"