Suppress the -Wno-address-of-array-temporary for linux clang.

BUG=1016
TBR=andrew
TEST=build using clang on linux
Review URL: https://webrtc-codereview.appspot.com/934010

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3020 4adac7df-926f-26a2-2b94-8c16560cd09d

peerconnection/supplement/supplement.gypi

@@ -10,5 +10,17 @@
     'include_internal_video_render': 1,
     'include_pulse_audio': 1,
     'use_openssl': 1,
-  }
+  },
+  'target_defaults': {
+    'conditions': [
+      ['OS=="linux" and clang==1', {
+        'cflags': [
+          # Suppress the warning caused by
+          # LateBindingSymbolTable::TableInfo from
+          # latebindingsymboltable.cc.def.
+          '-Wno-address-of-array-temporary',
+        ],
+      }],
+    ],
+  }, # target_defaults
 }