fix a few pathops test bugs exposed on Mac and Linux

git-svn-id: http://skia.googlecode.com/svn/trunk@8601 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PathOpsThreadedCommon.h b/tests/PathOpsThreadedCommon.h
index 7f57a7b..410194f 100644
--- a/tests/PathOpsThreadedCommon.h
+++ b/tests/PathOpsThreadedCommon.h
@@ -15,7 +15,10 @@
 #define PATH_STR_SIZE 512
 
 class PathOpsThreadedRunnable;
-class skiatest::Reporter;
+
+namespace skiatest {
+class Reporter;
+}
 
 struct PathOpsThreadState {
     unsigned char fA;