fixed and actually used the gtest patch

I don't think it ever worked...
diff --git a/aos/build/download_externals.sh b/aos/build/download_externals.sh
index 3291088..e643107 100755
--- a/aos/build/download_externals.sh
+++ b/aos/build/download_externals.sh
@@ -66,7 +66,7 @@
 
 # get gtest
 GTEST_VERSION=1.6.0
-GTEST_DIR=${EXTERNALS}/gtest-${GTEST_VERSION}-p1
+GTEST_DIR=${EXTERNALS}/gtest-${GTEST_VERSION}-p2
 GTEST_ZIP=${EXTERNALS}/gtest-${GTEST_VERSION}.zip
 [ -f ${GTEST_ZIP} ] || wget http://googletest.googlecode.com/files/gtest-${GTEST_VERSION}.zip -O ${GTEST_ZIP}
 [ -d ${GTEST_DIR} ] || ( unzip ${GTEST_ZIP} -d ${TMPDIR} && mv ${TMPDIR}/gtest-${GTEST_VERSION} ${GTEST_DIR} && cd ${GTEST_DIR} && patch -p1 < ${AOS}/externals/gtest.patch )
diff --git a/aos/build/externals.gyp b/aos/build/externals.gyp
index 2b82e38..27c2512 100644
--- a/aos/build/externals.gyp
+++ b/aos/build/externals.gyp
@@ -10,7 +10,7 @@
 
 # These versions have to be kept in sync with the ones in download_externals.sh.
     'eigen_version': '3.2.1',
-    'gtest_version': '1.6.0-p1',
+    'gtest_version': '1.6.0-p2',
     'ctemplate_version': '129',
     'gflags_version': '2.0',
     'compiler_rt_version': 'RELEASE_32_final',
@@ -123,7 +123,11 @@
       'target_name': 'gtest',
       'type': 'static_library',
       'sources': [
-        '<(externals)/gtest-<(gtest_version)/fused-src/gtest/gtest-all.cc',
+        '<(externals)/gtest-<(gtest_version)/src/gtest-all.cc',
+            '<(externals)/gtest-<(gtest_version)/fused-src/gtest/gtest_main.cc',
+      ],
+      'include_dirs': [
+        '<(externals)/gtest-<(gtest_version)',
       ],
       'dependencies': [
         'gtest_prod',
@@ -131,24 +135,6 @@
       'export_dependent_settings': [
         'gtest_prod',
       ],
-      'conditions': [['PLATFORM=="crio"', {
-            'defines': [
-              'GTEST_HAS_TR1_TUPLE=0',
-              'GTEST_HAS_STREAM_REDIRECTION=0',
-              'GTEST_HAS_POSIX_RE=0', # it only has a broken header...
-            ],
-            'direct_dependent_settings': {
-              'defines': [
-                'GTEST_HAS_TR1_TUPLE=0',
-                'GTEST_HAS_STREAM_REDIRECTION=0',
-                'GTEST_HAS_POSIX_RE=0',
-              ],
-            },
-        }, {
-          'sources': [
-            '<(externals)/gtest-<(gtest_version)/fused-src/gtest/gtest_main.cc',
-          ],
-        }]],
       'cflags!': ['-Werror'],
       'direct_dependent_settings': {
         'include_dirs': ['<(externals)/gtest-<(gtest_version)/include'],
diff --git a/aos/externals/gtest.patch b/aos/externals/gtest.patch
index cbf7294..f0ee200 100644
--- a/aos/externals/gtest.patch
+++ b/aos/externals/gtest.patch
@@ -2,6 +2,15 @@
 index b860d48..acb459b 100644
 --- a/src/gtest-port.cc
 +++ b/src/gtest-port.cc
+@@ -35,6 +35,8 @@
+ #include <stdlib.h>
+ #include <stdio.h>
+ #include <string.h>
++#include <sys/types.h>
++#include <dirent.h>
+ 
+ #if GTEST_OS_WINDOWS_MOBILE
+ # include <windows.h>  // For TerminateProcess()
 @@ -98,6 +98,21 @@ size_t GetThreadCount() {
    }
  }
@@ -44,7 +53,7 @@
 +  rlimit core_rlimit;
 +  core_rlimit.rlim_cur = 0;
 +  core_rlimit.rlim_max = 0;
-+  GTEST_DEATH_TEST_CHECK_SYSCALL_(setrlimit(RLIMIT_CORE, &core_limit));
++  GTEST_DEATH_TEST_CHECK_SYSCALL_(setrlimit(RLIMIT_CORE, &core_rlimit));
 +
    ExecDeathTestArgs* const args = static_cast<ExecDeathTestArgs*>(child_arg);
    GTEST_DEATH_TEST_CHECK_SYSCALL_(close(args->close_fd));
diff --git a/output/downloaded/.gitignore b/output/downloaded/.gitignore
index 327ff9d..07b809d 100644
--- a/output/downloaded/.gitignore
+++ b/output/downloaded/.gitignore
@@ -4,7 +4,7 @@
 /eigen-3.2.1/
 /gccdist.zip
 /gccdist/
-/gtest-1.6.0-p1/
+/gtest-1.6.0-p2/
 /gtest-1.6.0.zip
 /gyp-1738/
 /jpeg-8d/