Undo previous revision, because it was wrong (bug 430530, a=mconnor)

browser/app/profile/firefox.js

@@ -636,7 +636,7 @@ pref("urlclassifier.gethashtables", "goog-phish-shavar,goog-malware-shavar");
 pref("urlclassifier.confirm-age", 2700);
 
 // Maximum size of the sqlite3 cache during an update, in bytes
-#ifdef UNIX_BUT_NOT_MAC
+#ifdef MOZ_WIDGET_GTK2
 pref("urlclassifier.updatecachemax", 104857600);
 #else
 pref("urlclassifier.updatecachemax", -1);