Fixup rendering of empty paths (including inverted fills)
Add GM and Sample that draw empty paths with various styles and fills

Review URL: http://codereview.appspot.com/5185047/



git-svn-id: http://skia.googlecode.com/svn/trunk@2414 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/SampleApp.gyp b/gyp/SampleApp.gyp
index fd84893..dfd1e4c 100644
--- a/gyp/SampleApp.gyp
+++ b/gyp/SampleApp.gyp
@@ -59,6 +59,7 @@
         '../samplecode/SampleDrawLooper.cpp',
         '../samplecode/SampleEffects.cpp',
         '../samplecode/SampleEmboss.cpp',
+        '../samplecode/SampleEmptyPath.cpp',
         '../samplecode/SampleEncode.cpp',
         '../samplecode/SampleExtractAlpha.cpp',
         '../samplecode/SampleFillType.cpp',