Remove an extraneous tab.

The tab was breaking the execution of the program.
diff --git a/git-cookie-authdaemon b/git-cookie-authdaemon
index d57b2e4..57086b1 100755
--- a/git-cookie-authdaemon
+++ b/git-cookie-authdaemon
@@ -67,7 +67,7 @@
 
 def cleanup():
   if COOKIE_JAR:
-	for p in [COOKIE_JAR, COOKIE_JAR + '.lock']:
+    for p in [COOKIE_JAR, COOKIE_JAR + '.lock']:
       if os.path.exists(p):
         os.remove(p)