Win32: kill warning about undefined preproc variable

diff --git a/modules/video_output/opengl.c b/modules/video_output/opengl.c
index 9050d5e8299cfda7cc0774ecf402738c6d6bdd30..0db1210e392ea6fda26fed7a8869b7d853b4b09d 100644 (file)
--- a/modules/video_output/opengl.c
+++ b/modules/video_output/opengl.c
@@ -252,7 +252,7 @@ static int Init( vout_thread_t *p_vout )
     p_vout->output.i_chroma = VLC_CODEC_YUYV;
     i_pixel_pitch = 2;
 
-#elif (VLCGL_FORMAT == GL_YCBCR_422_APPLE)
+#elif defined( GL_YCBCR_422_APPLE ) && (VLCGL_FORMAT == GL_YCBCR_422_APPLE)
     p_vout->output.i_chroma = VLC_CODEC_UYVY;
     i_pixel_pitch = 2;