intel: fix compiler warning about returning a void value.

bug #21999

diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c
index c25fc4c..e88a6c3 100644 (file)
--- a/libdrm/intel/intel_bufmgr_gem.c
+++ b/libdrm/intel/intel_bufmgr_gem.c
@@ -867,7 +867,7 @@ drm_intel_gem_bo_get_subdata (drm_intel_bo *bo, unsigned long offset,
 static void
 drm_intel_gem_bo_wait_rendering(drm_intel_bo *bo)
 {
-    return drm_intel_gem_bo_start_gtt_access(bo, 0);
+    drm_intel_gem_bo_start_gtt_access(bo, 0);
 }
 
 /**