Add bzip2 to the list of libs linked to for unit_tests.

TBR=wtc

Review URL: http://codereview.chromium.org/2770010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49356 0039d316-1c4b-4281-b951-d872f2087c98

chrome/chrome_tests.gypi

@@ -1882,6 +1882,7 @@
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
+        '../third_party/bzip2/bzip2.gyp:bzip2',        
         '../third_party/libjingle/libjingle.gyp:libjingle',
         'profile_import',
         'syncapi',