[gtk+/gtk-2-16] Signalize that CUPS connection is available when EISCONN occurs

[Matthias Clasen <matthiasc src gnome org>]

commit 68c87c6f9c39689e11dc56de52d81788a82b8dc4
Author: mark ecs vuw ac nz <mark ecs vuw ac nz>
Date:   Tue May 19 16:08:21 2009 +0200

    Signalize that CUPS connection is available when EISCONN occurs
    
    Add test for EISCONN error when testing whether a connection to CUPS server
    is available (#576678 - patch by mark ecs vuw ac nz).
    
    Signed-off-by: Marek Kasik <mkasik redhat com>
---
 modules/printbackends/cups/gtkcupsutils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/modules/printbackends/cups/gtkcupsutils.c b/modules/printbackends/cups/gtkcupsutils.c
index 363f8f5..71accbd 100644
--- a/modules/printbackends/cups/gtkcupsutils.c
+++ b/modules/printbackends/cups/gtkcupsutils.c
@@ -1290,7 +1290,7 @@ gtk_cups_connection_test_get_state (GtkCupsConnectionTest *test)
 
           error_code = errno;
 
-          if (code == 0)
+          if (code == 0 || error_code == EISCONN)
             {
               close (test->socket);
               test->socket = -1;