Add Warning attribute to format-contains-nul

[Nick Clifton]

Hi Guys,

  I am applying the patch below under the obvious patches rule.  It
  adds the Warning attribute to the description of the
  -Wformat-contains-nul option in the c.opt file.

Cheers
  Nick

gcc/ChangeLog
2007-04-23  Nick Clifton  <nickc@redhat.com>

	* c.opt (Wformat-contains-nul): Add warning attribute.

Index: c.opt
===================================================================
--- c.opt       (revision 124059)
+++ c.opt       (working copy)
@@ -217,7 +217,7 @@ C ObjC C++ ObjC++ Var(warn_format_nonlit
 Warn about format strings that are not literals
 
 Wformat-contains-nul
-C ObjC C++ ObjC++ Var(warn_format_contains_nul)
+C ObjC C++ ObjC++ Var(warn_format_contains_nul) Warning
 Warn about format strings that contain NUL bytes
 
 Wformat-security