shape ops builders; fix typo

git-svn-id: http://skia.googlecode.com/svn/trunk@3521 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/shapeops_demo.gyp b/gyp/shapeops_demo.gyp
index f3a8b42..038b282 100644
--- a/gyp/shapeops_demo.gyp
+++ b/gyp/shapeops_demo.gyp
@@ -25,7 +25,7 @@
         '../experimental/Intersection/EdgeWalker.cpp',
         '../experimental/Intersection/EdgeWalker_TestUtility.cpp',
         '../experimental/Intersection/Extrema.cpp',
-        '../experimental/Intersection/LineCubicIntersection.cpp
+        '../experimental/Intersection/LineCubicIntersection.cpp',
         '../experimental/Intersection/LineIntersection.cpp',
         '../experimental/Intersection/LineParameterization.cpp',
         '../experimental/Intersection/LineQuadraticIntersection.cpp',