BUG: fix C compiler init

Modules/CMakeDetermineCCompiler.cmake

@@ -19,19 +19,19 @@ IF(NOT CMAKE_C_COMPILER)
 
   # next try prefer the compiler specified by the generator
   IF(CMAKE_GENERATOR_CC) 
-    IF(NOT CMAKE_CC_COMPILER_INIT)
-      SET(CMAKE_CC_COMPILER_INIT ${CMAKE_GENERATOR_CC})
-    ENDIF(NOT CMAKE_CC_COMPILER_INIT)
+    IF(NOT CMAKE_C_COMPILER_INIT)
+      SET(CMAKE_C_COMPILER_INIT ${CMAKE_GENERATOR_CC})
+    ENDIF(NOT CMAKE_C_COMPILER_INIT)
   ENDIF(CMAKE_GENERATOR_CC)
 
   # if no compiler has been specified yet, then look for one
-  IF(NOT CMAKE_CC_COMPILER_INIT)
+  IF(NOT CMAKE_C_COMPILER_INIT)
   # if not in the envionment then search for the compiler in the path
     SET(CMAKE_C_COMPILER_LIST gcc cc cl bcc )  
     FIND_PROGRAM(CMAKE_C_COMPILER_FULLPATH NAMES ${CMAKE_C_COMPILER_LIST} )
     GET_FILENAME_COMPONENT(CMAKE_C_COMPILER_INIT
                            ${CMAKE_C_COMPILER_FULLPATH} NAME)
-  ENDIF(NOT CMAKE_CC_COMPILER_INIT)
+  ENDIF(NOT CMAKE_C_COMPILER_INIT)
 
   SET(CMAKE_C_COMPILER ${CMAKE_C_COMPILER_INIT} CACHE STRING "C compiler")
 ENDIF(NOT CMAKE_C_COMPILER)