Mesa (master): st/egl: Fix a void pointer arithmetic warning.

[Chia-I Wu]

Module: Mesa
Branch: master
Commit: 97e9a0e23f0e06d020883c37b9d065e8978a47f4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=97e9a0e23f0e06d020883c37b9d065e8978a47f4

Author: Chia-I Wu <olv at lunarg.com>
Date:   Sun Jan  9 18:18:03 2011 +0800

st/egl: Fix a void pointer arithmetic warning.

---

 src/gallium/state_trackers/egl/x11/native_dri2.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/gallium/state_trackers/egl/x11/native_dri2.c b/src/gallium/state_trackers/egl/x11/native_dri2.c
index adcc3b3..c82e2da 100644
--- a/src/gallium/state_trackers/egl/x11/native_dri2.c
+++ b/src/gallium/state_trackers/egl/x11/native_dri2.c
@@ -799,7 +799,7 @@ dri2_display_hash_table_hash(void *key)
 static int
 dri2_display_hash_table_compare(void *key1, void *key2)
 {
-   return (key1 - key2);
+   return ((char *) key1 - (char *) key2);
 }
 
 struct native_display *