Make tmux work with osx pasteboard

Via https://gist.github.com/644805

Uses the private api call _vprocmgr_detach_from_console similar to Apple's
patch to GNU screen

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/tmux.rb

@@ -7,6 +7,13 @@ class Tmux <Formula
 
   depends_on 'libevent'
 
+  def patches
+    # Patch originally from Macports ticket #18357
+    # Committed in Macports rev 58563
+    # https://trac.macports.org/changeset/58563
+    { :p1 => DATA }
+  end
+
   def install
     ENV['PREFIX'] = prefix
     system "./configure"
@@ -21,3 +28,28 @@ class Tmux <Formula
     system "make install"
   end
 end
+
+__END__
+diff -Nur tmux-1.3/server.c tmux-1.3.new/server.c
+--- tmux-1.3/server.c	2010-06-23 09:21:39.000000000 +1000
++++ tmux-1.3.new/server.c	2010-11-29 08:48:48.000000000 +1100
+@@ -35,6 +35,8 @@
+ #include <time.h>
+ #include <unistd.h>
+
++void *_vprocmgr_detach_from_console(unsigned int flags);
++
+ #include "tmux.h"
+
+ /*
+@@ -137,8 +139,8 @@
+	 * Must daemonise before loading configuration as the PID changes so
+	 * $TMUX would be wrong for sessions created in the config file.
+	 */
+-	if (daemon(1, 0) != 0)
+-		fatal("daemon failed");
++	if (_vprocmgr_detach_from_console(0) != NULL)
++		fatalx("_vprocmgr_detach_from_console failed");
+
+	/* event_init() was called in our parent, need to reinit. */
+	if (event_reinit(ev_base) != 0)