Switch openssl forwarding target to 'none'.

Building it as a static library causes problems on Mac at least since it's
empty.

BUG=393317

Review URL: https://codereview.chromium.org/401903004

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/openssl@284247 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/openssl.gyp b/openssl.gyp
index 1ee6d92..e586ca2 100644
--- a/openssl.gyp
+++ b/openssl.gyp
@@ -6,7 +6,7 @@
   'targets': [
     {
       'target_name': 'openssl',
-      'type': 'static_library',
+      'type': 'none',
       'dependencies': [
         '../boringssl/boringssl.gyp:boringssl',
       ],