egl/drm: Include errno.h

Fixes scons build.

diff --git a/src/gallium/state_trackers/egl/drm/native_drm.c b/src/gallium/state_trackers/egl/drm/native_drm.c
index ba7afdbe3b820d0003a5b3ee9923694e2ce1e806..3c4c19f1c17d76dc511d45d528021bb0063854bf 100644 (file)
--- a/src/gallium/state_trackers/egl/drm/native_drm.c
+++ b/src/gallium/state_trackers/egl/drm/native_drm.c
@@ -27,6 +27,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <errno.h>
 
 #include "util/u_memory.h"
 #include "egllog.h"