Update gyp for msvs-ninja.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 97e755eae2e713c40b5f4aa40f77550a07db6294..b78a862b5303845bf55db3171791d3f70683a3fe 100644
--- a/DEPS
+++ b/DEPS
@@ -9,7 +9,7 @@ deps = {
   "third_party/externals/angle2" : "https://chromium.googlesource.com/angle/angle.git@bdc9b2f0ed9e365bf5a4d19799d93a512f07dd32",
   "third_party/externals/freetype" : "https://skia.googlesource.com/third_party/freetype2.git@VER-2-5-0-1",
   "third_party/externals/google-api-python-client" : "https://github.com/google/google-api-python-client.git@56557e2c1d2cbce0d2de26e3a7f32f836b8f5eb2",
-  "third_party/externals/gyp" : "https://chromium.googlesource.com/external/gyp.git@5917c6a6b77c9e97a0cbb66847194381bd36ec4c",
+  "third_party/externals/gyp" : "https://chromium.googlesource.com/external/gyp.git@11e243c9fd625728c086c264d5ca85cc786ddf82",
   "third_party/externals/libjpeg" : "https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@82ce8a6d4ebe12a177c0c3597192f2b4f09e81c3",
   "third_party/externals/jsoncpp" : "https://chromium.googlesource.com/external/jsoncpp/jsoncpp.git@ab1e40f3bce061ea6f9bdc60351d6cde2a4f872b",
   # Move to a webp version newer than 0.3.0 to pickup NEON fix for iOS