[glx] Sort format with lower depth_size in first place.

Sort depth size in first place to be most conformant with GLX
specification to choose the best format.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/glx/glitz_glx_format.c b/src/glx/glitz_glx_format.c
index c9e83ca..c463d33 100644
--- a/src/glx/glitz_glx_format.c
+++ b/src/glx/glitz_glx_format.c
@@ -68,7 +68,7 @@ _glitz_glx_format_compare (const void *elem1,
 	    score[i] += 5;
 
 	if (format[i]->d.depth_size)
-	    score[i] += 5;
+	    score[i] -= 5;
 
 	if (format[i]->d.doublebuffer)
 	    score[i] += 10;