Remove caching in nsfont.m, the general code does it (I misunderstood).

* nsfont.m (Vfonts_in_cache): Remove, not needed as font.c handles
caching.
(nsfont_open): Remove setting of Vfonts_in_cache.
(syms_of_nsfont): Remove initialization of Vfonts_in_cache

src/ChangeLog

+2012-10-09  Jan Djärv  <jan.h.d@swipnet.se>
+
+	* nsfont.m (Vfonts_in_cache): Remove, not needed as font.c handles
+	caching.
+	(nsfont_open): Remove setting of Vfonts_in_cache.
+	(syms_of_nsfont): Remove initialization of Vfonts_in_cache
+
 2012-10-09  Eli Zaretskii  <eliz@gnu.org>
 	* w32fns.c (w32_last_error): Change the return value to DWORD, to

src/nsfont.m

@@ -53,8 +53,6 @@
 extern int ns_tmp_flags;
 extern struct nsfont_info *ns_tmp_font;
 
-static Lisp_Object Vfonts_in_cache;
-
 
 /* font glyph and metrics caching functions, implemented at end */
 static void ns_uni_to_glyphs (struct nsfont_info *font_info,
@@ -815,7 +813,6 @@ when setting family in ns_spec_to_descriptor(). */
                                   numberWithUnsignedLongLong:
                                     (unsigned long long) XHASH (font_object)]
                         forKey: nsfont];
-          Vfonts_in_cache = Fcons (font_object, Vfonts_in_cache);
         }
     }
 
@@ -1535,7 +1532,4 @@ - (void)setIntAttribute: (NSInteger)attributeTag value: (NSInteger)val
                doc: /* Internal use: maps font registry to Unicode script. */);
 
   ascii_printable = NULL;
-
-  Vfonts_in_cache = Qnil;
-  staticpro (&Vfonts_in_cache);
 }