git-p4: import the ctypes module

diff --git a/git-p4.py b/git-p4.py
index a60c086b188b7dd3f26ec7c8a61700ab0f57e9ae..ff4113a661236f8306b0bd6ec1ced6600974c0ef 100755 (executable)
--- a/git-p4.py
+++ b/git-p4.py
@@ -22,6 +22,7 @@
 import re
 import shutil
 import stat
+import ctypes
 
 try:
     from subprocess import CalledProcessError