git ignore .DS_Store

Change-Id: I04887b91d07ee93f51d27c9a3597e258b9affc0b
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

.gitignore

@@ -1,5 +1,6 @@
 /.project
 /target
+.DS_Store
 infer-out
 bazel-*
 *~