Remove unused automatic variables

* nsterm.m (ns_read_socket):
* macfont.m (macfont_open): Remove unused automatic variables.

src/macfont.m

@@ -2536,8 +2536,7 @@ macfont_open (struct frame * f, Lisp_Object entity, int pixel_size)
   int size;
   CTFontRef macfont;
   CTFontSymbolicTraits sym_traits;
-  char name[256];
-  int len, i, total_width;
+  int i, total_width;
   CGGlyph glyph;
   CGFloat ascent, descent, leading;
 

src/nsterm.m

@@ -4247,7 +4247,6 @@ ns_read_socket (struct terminal *terminal, struct input_event *hold_quit)
         }
       else
         {
-          ptrdiff_t specpdl_count = SPECPDL_INDEX ();
           /* Run and wait for events.  We must always send one NX_APPDEFINED event
              to ourself, otherwise [NXApp run] will never exit.  */
           send_appdefined = YES;