STYLE: Fix if/endif mismatch in FindKDE4

Modules/FindKDE4.cmake

@@ -16,7 +16,7 @@ IF(QT_QT_LIBRARY)
   ELSE(KDE4_FIND_REQUIRED)
     IF(NOT KDE4_FIND_QUIETLY)
       MESSAGE( STATUS    "KDE4/Qt4 and Qt3 cannot be used together in one project.")
-    ENDIF(NOT KDE_FIND_QUIETLY)
+    ENDIF(NOT KDE4_FIND_QUIETLY)
     RETURN()
   ENDIF(KDE4_FIND_REQUIRED)
 ENDIF(QT_QT_LIBRARY)