[glib] gsocks5proxy: Fix error reporting in authentication

[Philip Withnall <pwithnall src gnome org>]

commit 0f98b2f4ec683fc29bee489cafdbbdc7d59ffa1d
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Sat Oct 3 11:46:18 2015 +0100

    gsocks5proxy: Fix error reporting in authentication
    
    set_auth_msg() was returning FALSE to indicate error, but all its
    callers were expecting a negative return value to indicate error. This
    was causing memory leaks for the GError, and errors to not be reported.
    
    Coverity CID: 1325357

 gio/gsocks5proxy.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gsocks5proxy.c b/gio/gsocks5proxy.c
index d093c81..764f9cf 100644
--- a/gio/gsocks5proxy.c
+++ b/gio/gsocks5proxy.c
@@ -205,7 +205,7 @@ set_auth_msg (guint8          *msg,
       g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_PROXY_FAILED,
                           _("Username or password is too long for SOCKSv5 "
                             "protocol."));
-      return FALSE;
+      return -1;
     }
 
   msg[len++] = SOCKS5_AUTH_VERSION;