--- gspawn-orig.h	2008-09-17 22:35:38.000000000 -0700
+++ gspawn.h	2008-09-17 22:36:27.000000000 -0700
@@ -70,7 +70,9 @@
   G_SPAWN_STDOUT_TO_DEV_NULL     = 1 << 3,
   G_SPAWN_STDERR_TO_DEV_NULL     = 1 << 4,
   G_SPAWN_CHILD_INHERITS_STDIN   = 1 << 5,
-  G_SPAWN_FILE_AND_ARGV_ZERO     = 1 << 6
+  G_SPAWN_FILE_AND_ARGV_ZERO     = 1 << 6,
+  /* Prevent a command window from showing up (Win32 only). */
+  G_SPAWN_WIN32_NO_CMD_WINDOW    = 1 << 7
 } GSpawnFlags;
 
 GQuark g_spawn_error_quark (void);
