it's CMAKE_COMPILER_IS_GNUCC, not CMAKE_COMPILER_IS_GNUGCC

Patch from Brad Hards <bradh AT frogmouth DOT net>

Alex

Modules/CMakePrintSystemInformation.cmake

@@ -27,7 +27,7 @@ MESSAGE("CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS is ${CMAKE_SHARED_LIBRARY_CREATE_
 MESSAGE("CMAKE_DL_LIBS is ${CMAKE_DL_LIBS}")
 MESSAGE("CMAKE_SHARED_LIBRARY_PREFIX is ${CMAKE_SHARED_LIBRARY_PREFIX}")
 MESSAGE("CMAKE_SHARED_LIBRARY_SUFFIX is ${CMAKE_SHARED_LIBRARY_SUFFIX}")
-MESSAGE("CMAKE_COMPILER_IS_GNUGCC = ${CMAKE_COMPILER_IS_GNUGCC}")
+MESSAGE("CMAKE_COMPILER_IS_GNUCC = ${CMAKE_COMPILER_IS_GNUCC}")
 MESSAGE("CMAKE_COMPILER_IS_GNUCXX = ${CMAKE_COMPILER_IS_GNUCXX}")
 
 MESSAGE("CMAKE_CXX_CREATE_SHARED_LIBRARY is ${CMAKE_CXX_CREATE_SHARED_LIBRARY}")