Add a newline to the font load debug message

tools/Resources.cpp

Index: tools/Resources.cpp
diff --git a/tools/Resources.cpp b/tools/Resources.cpp
index 4767edde5f80f6bc19bac95c3dc45f26a8adc733..4c3db1e90c0dfd2f9c8bf8653c8100f4c796f556 100644
--- a/tools/Resources.cpp
+++ b/tools/Resources.cpp
@@ -48,7 +48,7 @@ SkTypeface* GetResourceAsTypeface(const char* resource) {
     }
     SkAutoTUnref<SkTypeface> typeface(SkTypeface::CreateFromStream(stream.detach()));
     if (!typeface) {
-        SkDebugf("Resource %s not a valid font.", resource);
+        SkDebugf("Resource %s not a valid font.\n", resource);
     }
     return typeface.detach();
 }