i915g: add const qualifier to silence warning

diff --git a/src/gallium/winsys/i915/drm/i915_drm_winsys.h b/src/gallium/winsys/i915/drm/i915_drm_winsys.h
index dae53c3e801e42e9cb91d1a3a53d2ee4f50ef0f5..7f0d718bdb73d09471d1fca0b23f0756b079b511 100644 (file)
--- a/src/gallium/winsys/i915/drm/i915_drm_winsys.h
+++ b/src/gallium/winsys/i915/drm/i915_drm_winsys.h
@@ -18,7 +18,7 @@ struct i915_drm_winsys
    struct i915_winsys base;
 
    boolean dump_cmd;
-   char *dump_raw_file;
+   const char *dump_raw_file;
    boolean send_cmd;
 
    int fd; /**< Drm file discriptor */