Addressed more Windows compiler complaint issues

http://codereview.appspot.com/6007056/



git-svn-id: http://skia.googlecode.com/svn/trunk@3689 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/ScalarTest.cpp b/tests/ScalarTest.cpp
index 981fb0f..cc88e74 100644
--- a/tests/ScalarTest.cpp
+++ b/tests/ScalarTest.cpp
@@ -20,7 +20,7 @@
 }
 
 static bool isFinite_float(float x) {
-    return sk_float_isfinite(x);
+    return SkToBool(sk_float_isfinite(x));
 }
 
 static bool isFinite_mulzero(float x) {