Oops moment. Fixed the typo in compiler flag for apple-clang

moose-core/CheckCXXCompiler.cmake

@@ -31,7 +31,7 @@ if(COMPILER_SUPPORTS_CXX11)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
     add_definitions( -DENABLE_CPP11 )
     if(APPLE)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++11" )
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++" )
     endif(APPLE)
 elseif(COMPILER_SUPPORTS_CXX0X)
     message(STATUS "Your compiler supports c++0x features. Enabling it")
@@ -39,7 +39,7 @@ elseif(COMPILER_SUPPORTS_CXX0X)
     add_definitions( -DENABLE_CXX11 )
     add_definitions( -DBOOST_NO_CXX11_SCOPED_ENUMS -DBOOST_NO_SCOPED_ENUMS )
     if(APPLE)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++11" )
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++" )
     endif(APPLE)
 else()
     add_definitions( -DBOOST_NO_CXX11_SCOPED_ENUMS -DBOOST_NO_SCOPED_ENUMS )