Add missing header SkTArray.h to core.gyp

git-svn-id: http://skia.googlecode.com/svn/trunk@2285 2bbb7eff-a529-9590-31e7-b0007b416f81

gyp/core.gyp

@@ -227,6 +227,7 @@
         '../include/core/SkStream.h',
         '../include/core/SkString.h',
         '../include/core/SkStroke.h',
+        '../include/core/SkTArray.h',
         '../include/core/SkTDArray.h',
         '../include/core/SkTDStack.h',
         '../include/core/SkTDict.h',