Merge pull request #159 from abarth/fix_build

Fix Release builds

sky/engine/core/rendering/InlineTextBox.cpp

@@ -1054,8 +1054,8 @@ void InlineTextBox::paintCompositionBackgrounds(GraphicsContext* pt, const Float
         }
 
     } else {
-        unsigned start; // TODO(ianh): if we expose this function, provide a way to let authors set this
-        unsigned end; // TODO(ianh): if we expose this function, provide a way to let authors set this
+        unsigned start = 0; // TODO(ianh): if we expose this function, provide a way to let authors set this
+        unsigned end = 0; // TODO(ianh): if we expose this function, provide a way to let authors set this
         paintSingleCompositionBackgroundRun(pt, boxOrigin, style, font, RenderTheme::theme().platformDefaultCompositionBackgroundColor(), start, end);
     }
 }