FindEXPAT: else() not needed

Modules/FindEXPAT.cmake

@@ -33,9 +33,6 @@ FIND_PACKAGE_HANDLE_STANDARD_ARGS(EXPAT DEFAULT_MSG EXPAT_LIBRARY EXPAT_INCLUDE_
 IF(EXPAT_FOUND)
   SET(EXPAT_LIBRARIES ${EXPAT_LIBRARY})
   SET(EXPAT_INCLUDE_DIRS ${EXPAT_INCLUDE_DIR})
-ELSE(EXPAT_FOUND)
-  SET(EXPAT_LIBRARIES)
-  SET(EXPAT_INCLUDE_DIRS)
 ENDIF(EXPAT_FOUND)
 
 MARK_AS_ADVANCED(EXPAT_INCLUDE_DIR EXPAT_LIBRARY)