i915: Silence unused variable warning in non-debug builds.

Fixes this GCC warning.
i830_vtbl.c: In function 'i830_assert_not_dirty':
i830_vtbl.c:704: warning: unused variable 'i830'

diff --git a/src/mesa/drivers/dri/i915/i830_vtbl.c b/src/mesa/drivers/dri/i915/i830_vtbl.c
index 0775d7fe943034a4bf16cc62c6c91e0d3a3f0f1d..9f07d7760a97b230b70d1305d55926737a603bbe 100644 (file)
--- a/src/mesa/drivers/dri/i915/i830_vtbl.c
+++ b/src/mesa/drivers/dri/i915/i830_vtbl.c
@@ -703,6 +703,7 @@ i830_assert_not_dirty( struct intel_context *intel )
 {
    struct i830_context *i830 = i830_context(&intel->ctx);
    assert(!get_dirty(&i830->state));
+   (void) i830;
 }
 
 static void