[gimp] Bug 635038 - Fails to build on GNU/Hurd

[Michael Natterer <mitch src gnome org>]

commit 28aa26fb281d3d4c0bb5b674fb10ca901bf81071
Author: Michael Natterer <mitch gimp org>
Date:   Mon Mar 21 23:40:05 2011 +0100

    Bug 635038 - Fails to build on GNU/Hurd
    
    Apply patch from Ari Pollak that tries harder to get a value for
    PATH_MAX.

 plug-ins/common/qbist.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/plug-ins/common/qbist.c b/plug-ins/common/qbist.c
index 611e97e..4be69ba 100644
--- a/plug-ins/common/qbist.c
+++ b/plug-ins/common/qbist.c
@@ -40,8 +40,14 @@
 
 #include "libgimp/stdplugins-intl.h"
 
-#if ! defined PATH_MAX && defined _MAX_PATH
-#  define PATH_MAX _MAX_PATH
+#if ! defined PATH_MAX
+#  if defined _MAX_PATH
+#    define PATH_MAX _MAX_PATH
+#  elif defined MAXPATHLEN
+#    define PATH_MAX MAXPATHLEN
+#  else
+#    define PATH_MAX 1024
+#  endif
 #endif
 
 /** qbist renderer ***********************************************************/