Cleanup FindIconv.cmake

Doesn't change anything. Just removes stuff that was probably missed
to remove when this was imported.

cmake/Modules/FindIconv.cmake

@@ -4,13 +4,12 @@
 # ICONV_FOUND - system has Iconv
 # ICONV_INCLUDE_DIR - the Iconv include directory
 # ICONV_LIBRARIES - Link these to use Iconv
-# ICONV_SECOND_ARGUMENT_IS_CONST - the second argument for iconv() is const
 #
 
-IF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
 	# Already in cache, be silent
 	SET(ICONV_FIND_QUIETLY TRUE)
-ENDIF (ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
+ENDIF()
 
 FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
 
@@ -18,25 +17,19 @@ FIND_LIBRARY(ICONV_LIBRARIES NAMES iconv libiconv libiconv-2 c PATH)
 
 IF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
 	 SET(ICONV_FOUND TRUE)
-ENDIF(ICONV_INCLUDE_DIR AND ICONV_LIBRARIES)
-
-set(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
-set(CMAKE_REQUIRED_LIBRARIES ${ICONV_LIBRARIES})
-set(CMAKE_REQUIRED_INCLUDES)
-set(CMAKE_REQUIRED_LIBRARIES)
+ENDIF()
 
 IF(ICONV_FOUND)
 	IF(NOT ICONV_FIND_QUIETLY)
 		MESSAGE(STATUS "Found Iconv: ${ICONV_LIBRARIES}")
 	ENDIF(NOT ICONV_FIND_QUIETLY)
-ELSE(ICONV_FOUND)
+ELSE()
 	IF(Iconv_FIND_REQUIRED)
 		MESSAGE(FATAL_ERROR "Could not find Iconv")
 	ENDIF(Iconv_FIND_REQUIRED)
-ENDIF(ICONV_FOUND)
+ENDIF()
 
 MARK_AS_ADVANCED(
 	ICONV_INCLUDE_DIR
 	ICONV_LIBRARIES
-	ICONV_SECOND_ARGUMENT_IS_CONST
 )