remove (now unused) Sk64 -- just use int64_t

BUG=

Review URL: https://codereview.chromium.org/134373006

git-svn-id: http://skia.googlecode.com/svn/trunk@13032 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/core.gypi b/gyp/core.gypi
index 4c8b8cd..aa5292c 100644
--- a/gyp/core.gypi
+++ b/gyp/core.gypi
@@ -7,8 +7,9 @@
 #
 {
     'sources': [
-        '<(skia_src_path)/core/ARGB32_Clamp_Bilinear_BitmapShader.h',
         '<(skia_src_path)/core/Sk64.cpp',
+        '<(skia_src_path)/core/Sk64.h',
+        '<(skia_src_path)/core/ARGB32_Clamp_Bilinear_BitmapShader.h',
         '<(skia_src_path)/core/SkAAClip.cpp',
         '<(skia_src_path)/core/SkAnnotation.cpp',
         '<(skia_src_path)/core/SkAdvancedTypefaceMetrics.cpp',
@@ -213,7 +214,6 @@
         '<(skia_src_path)/pipe/SkGPipeRead.cpp',
         '<(skia_src_path)/pipe/SkGPipeWrite.cpp',
 
-        '<(skia_include_path)/core/Sk64.h',
         '<(skia_include_path)/core/SkAdvancedTypefaceMetrics.h',
         '<(skia_include_path)/core/SkBitmap.h',
         '<(skia_include_path)/core/SkBitmapDevice.h',