Fix a link error with an integration test on OS X.

.hgignore

@@ -24,6 +24,7 @@ indra/newview/res-sdl
 indra/newview/skins
 indra/newview/vivox-runtime
 indra/server-linux-*
+indra/test/linden_file.dat
 indra/test_apps/llmediatest/dependencies/i686-win32
 indra/test_apps/terrain_mule/*.dll
 indra/viewer-linux-*

indra/llmessage/CMakeLists.txt

@@ -3,6 +3,7 @@
 project(llmessage)
 
 include(00-Common)
+include(GoogleMock)
 include(LLAddBuildTest)
 include(LLCommon)
 include(LLMath)
@@ -230,6 +231,7 @@ IF (NOT LINUX AND VIEWER)
       ${LLVFS_LIBRARIES}
       ${LLMATH_LIBRARIES}
       ${LLCOMMON_LIBRARIES}
+      ${GOOGLEMOCK_LIBRARIES}
       )
 
     LL_ADD_INTEGRATION_TEST(