define OPENBSD and FREEBSD for libjingle in addition to BSD

BUG=
TEST=


Review URL: http://codereview.chromium.org/8825009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113311 0039d316-1c4b-4281-b951-d872f2087c98

third_party/libjingle/libjingle.gyp

@@ -94,6 +94,16 @@
             'BSD',
           ],
         }],
+        ['OS=="openbsd"', {
+          'defines': [
+            'OPENBSD',
+          ],
+        }],
+        ['OS=="freebsd"', {
+          'defines': [
+            'FREEBSD',
+          ],
+        }],
         ['no_libjingle_logging==1', {
           'defines': [
             'NO_LIBJINGLE_LOGGING',
@@ -138,6 +148,16 @@
           'BSD',
         ],
       }],
+      ['OS=="openbsd"', {
+        'defines': [
+          'OPENBSD',
+        ],
+      }],
+      ['OS=="freebsd"', {
+        'defines': [
+          'FREEBSD',
+        ],
+      }],
     ],
   },
   'targets': [