i915g: Fix warnings in scons build by using byte pointers

	scons build complained about void pointer math

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gallium/drivers/i915simple/intel_winsys.h b/src/gallium/drivers/i915simple/intel_winsys.h
index e123c32d8..f949f52a9 100644
--- a/src/gallium/drivers/i915simple/intel_winsys.h
+++ b/src/gallium/drivers/i915simple/intel_winsys.h
@@ -69,8 +69,8 @@ struct intel_batchbuffer {
     * each dword written.
     */
    /*{@*/
-   void *map;
-   void *ptr;
+   uint8_t *map;
+   uint8_t *ptr;
    size_t size;
 
    size_t relocs;