Index: generic/nsf.c
===================================================================
diff -u -rb99c256b9c59ab617f335d6ee82b43119c67b1af -r641e77f198234b4c14c06c3781c371d2ce546014
--- generic/nsf.c	(.../nsf.c)	(revision b99c256b9c59ab617f335d6ee82b43119c67b1af)
+++ generic/nsf.c	(.../nsf.c)	(revision 641e77f198234b4c14c06c3781c371d2ce546014)
@@ -12427,7 +12427,7 @@
     }
 #endif
     if (ttPtr != NULL) {
-      ckfree(ttPtr);
+      ckfree((char *)ttPtr);
     }
   }