Add h264chroma dependency for mpegvideo / lowres to configure.

Fix building for some unusual configurations.

diff --git a/configure b/configure
index d0fd5b8..926b1a0 100755 (executable)
--- a/configure
+++ b/configure
@@ -1656,7 +1656,7 @@ mdct_select="fft"
 rdft_select="fft"
 mpegaudio_select="mpegaudiodsp"
 mpegaudiodsp_select="dct"
-mpegvideo_select="error_resilience videodsp"
+mpegvideo_select="error_resilience videodsp h264chroma"
 mpegvideoenc_select="mpegvideo"
 
 # decoders / encoders