[cogl] debug: Accept HELP for the COGL_DEBUG environment variable.

[Neil Roberts <nroberts src gnome org>]

commit e723b3b47989ebb8b12ea6b9b853240e0be1f8de
Author: Rob Bradford <rob linux intel com>
Date:   Fri Dec 9 17:17:51 2011 +0000

    debug: Accept HELP for the COGL_DEBUG environment variable.
    
    Reviewed-by: Neil Roberts <neil linux intel com>

 cogl/cogl-debug.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/cogl/cogl-debug.c b/cogl/cogl-debug.c
index 3651dff..7443222 100644
--- a/cogl/cogl-debug.c
+++ b/cogl/cogl-debug.c
@@ -167,7 +167,7 @@ _cogl_parse_debug_string (const char *value,
         else
           COGL_DEBUG_CLEAR_FLAG (cogl_log_debug_keys[i].value);
     }
-  else if (strcmp (value, "help") == 0)
+  else if (g_ascii_strcasecmp (value, "help") == 0)
     {
       g_printerr ("\n\n%28s\n", _("Supported debug values:"));
 #define OPT(MASK_NAME, GROUP, NAME, NAME_FORMATTED, DESCRIPTION) \