dri_util: make version var unsigned to silence warnings

_mesa_override_gl_version_contextless() takes an unsigned version
parameter.

Reviewed-by: Matt Turner <mattst88@gmail.com>

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index 2d847ef..e7ababe 100644 (file)
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -164,7 +164,7 @@ driCreateNewScreen2(int scrn, int fd,
 
     struct gl_constants consts = { 0 };
     gl_api api;
-    int version;
+    unsigned version;
 
     api = API_OPENGLES2;
     if (_mesa_override_gl_version_contextless(&consts, &api, &version))