Changed .gitignore file to ignore xcuserdata dirs
diff --git a/.gitignore b/.gitignore
index 9f10eb5..d961ed8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -79,6 +79,9 @@
 *.suo
 *.user
 
+# Xcode
+xcode/Capstone.xcodeproj/xcuserdata
+
 # suite/
 test_arm_regression
 test_arm_regression.o