Maelstrom: Ignore the Xcode workspace userdata diretory.

https://github.com/libsdl-org/Maelstrom/commit/e1ca532ba9e8053d0acc5b402247d09477eb13cd

From e1ca532ba9e8053d0acc5b402247d09477eb13cd Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 22 Sep 2012 16:31:26 -0700
Subject: [PATCH] Ignore the Xcode workspace userdata diretory.

---
 .hgignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.hgignore b/.hgignore
index 15488765..c502179f 100644
--- a/.hgignore
+++ b/.hgignore
@@ -10,4 +10,5 @@ Makefile
 autom4te.cache
 config.log
 config.status
+xcuserdata
 .DS_Store