* alloc.c (Fmemory_limit): Avoid compiler warning. Return 0 always.

src/ChangeLog

+2013-12-09  Jan Djärv  <jan.h.d@swipnet.se>
+
+	* alloc.c (Fmemory_limit): Avoid compiler warning.  Return 0 always.
+
 2013-12-08  Jan Djärv  <jan.h.d@swipnet.se>
 
 	* nsterm.m (updateFrameSize:): Fix GNUStep toolbar not updating.

src/alloc.c

@@ -6633,7 +6633,12 @@ We divide the value by 1024 to make sure it fits in a Lisp integer.  */)
 {
   Lisp_Object end;
 
+#ifdef HAVE_NS
+  /* Avoid warning.  sbrk has no relation to memory allocated anyway.  */
+  XSETINT (end, 0);
+#else
   XSETINT (end, (intptr_t) (char *) sbrk (0) / 1024);
+#endif
 
   return end;
 }