Update gyp revision.
Now allows out-of-source output directories.


git-svn-id: http://skia.googlecode.com/svn/trunk@7288 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/DEPS b/DEPS
index 0dc4d9d..408aab1 100644
--- a/DEPS
+++ b/DEPS
@@ -11,7 +11,7 @@
   "third_party/externals/angle" : "http://angleproject.googlecode.com/svn/trunk@1268",
   "third_party/externals/cityhash" : "http://cityhash.googlecode.com/svn/trunk@11",
   "third_party/externals/freetype" : "https://android.googlesource.com/platform/external/freetype.git",
-  "third_party/externals/gyp" : "http://gyp.googlecode.com/svn/trunk@1517",
+  "third_party/externals/gyp" : "http://gyp.googlecode.com/svn/trunk@1563",
   "third_party/externals/libjpeg" : "http://src.chromium.org/svn/trunk/src/third_party/libjpeg@125399",
   "third_party/externals/jsoncpp" : "http://jsoncpp.svn.sourceforge.net/svnroot/jsoncpp/trunk/jsoncpp@248",
   "third_party/externals/jsoncpp-chromium" : "http://src.chromium.org/svn/trunk/src/third_party/jsoncpp@125399",