Fix warnings

Review URL: http://codereview.appspot.com/5433054/


git-svn-id: http://skia.googlecode.com/svn/trunk@2741 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/aarectmodes.cpp b/gm/aarectmodes.cpp
index 058d824..f518cae 100644
--- a/gm/aarectmodes.cpp
+++ b/gm/aarectmodes.cpp
@@ -34,7 +34,7 @@
     };
     SkPath path;
     SkPoint* ptPtr = pts;
-    for (int i = 0; i < sizeof(verbs); ++i) {
+    for (size_t i = 0; i < sizeof(verbs); ++i) {
         switch ((SkPath::Verb) verbs[i]) {
             case SkPath::kMove_Verb:
                 path.moveTo(ptPtr->fX, ptPtr->fY);
@@ -47,6 +47,9 @@
             case SkPath::kClose_Verb:
                 path.close();
                 break;
+            default:
+                SkASSERT(false);
+                break;
         }
     }
     SkRect clip = {0, 130, 772, 531};