https://bugzilla.andrew.cmu.edu/show_bug.cgi?id=2786
 
--- imap/backend.c	2006-02-07 21:57:27.000000000 +0100
+++ imap/backend.c.oden	2006-06-11 15:50:32.000000000 +0200
@@ -271,7 +271,7 @@
     /* need to (re)establish connection to server or create one */
     int sock = -1;
     int r;
-    int err = 0;
+    int err = -1;
     struct addrinfo hints, *res0 = NULL, *res1 = NULL, *res;
     struct sockaddr_un sunsock;
     char buf[2048], *mechlist = NULL;