Update gtest.BUILD prior to strip_prefix
Before when `strip_prefix` is introduced, the snippet of gtest.BUILD has a glitch.
`bazel build has error with below message
```
external/gtest/googletest-release-1.7.0/src/gtest-test-part.cc:42:10: fatal error: 'src/gtest-internal-inl.h' file not found
#include "src/gtest-internal-inl.h"
```
The 1-liner PR enables `bazel build Verified on bazel 2.0.0
Closes
@@ -155,7 +155,8 @@ cc_library(
"googletest-release-1.7.0/src/*.h"
]),
copts = [
- "-Iexternal/gtest/googletest-release-1.7.0/include"
+ "-Iexternal/gtest/googletest-release-1.7.0/include",
+ "-Iexternal/gtest/googletest-release-1.7.0"
],
linkopts = ["-pthread"],
visibility = ["//visibility:public"],
