add a note about how Safari claims to support socks but doesn't

svn:r606

INSTALL

@@ -13,6 +13,8 @@ Quickstart version for users:
   allows you to test to make sure tor is installed correctly.
   (If you have a personal firewall, be sure to allow connections to
   localhost port 9050.)
+  (If you're using Safari as your browser, keep in mind that it claims
+  to support socks but does not. You must do step 8.)
 7) make sure you've set it up correctly: go to
   http://www.junkbusters.com/cgi-bin/privacy and see what IP it says
   you're coming from. If it works, you should probably go on to step 8,