fixed build errors with clang in MacOsX 10.9(DP5) and xCode 5.0(DP5)
Fix for issue OP-1108: Mutex not correctly released in GCS
Merge remote-tracking branch 'origin/voha/fix_build_error_with_clang' into next

Conflicts:
	ground/openpilotgcs/src/plugins/ophid/ophid.pro
Uncrustification