Mac build fix; unreviewed.



git-svn-id: http://skia.googlecode.com/svn/trunk@4536 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkLightingImageFilter.cpp b/src/effects/SkLightingImageFilter.cpp
index ef45968..2033e25 100644
--- a/src/effects/SkLightingImageFilter.cpp
+++ b/src/effects/SkLightingImageFilter.cpp
@@ -514,7 +514,7 @@
     virtual GrGLLight* createGLLight() const SK_OVERRIDE {
         return new GrGLPointLight();
     }
-    bool isEqual(const SkLight& other) SK_OVERRIDE {
+    bool isEqual(const SkLight& other) const SK_OVERRIDE {
         if (other.type() != kPoint_LightType) {
             return false;
         }
@@ -611,7 +611,7 @@
         writePoint3(fS, buffer);
     }
 
-    virtual bool isEqual(const SkLight& other) SK_OVERRIDE {
+    virtual bool isEqual(const SkLight& other) const SK_OVERRIDE {
         if (other.type() != kSpot_LightType) {
             return false;
         }