[PATCH]: Add even more format attributes

[Kaveh R. Ghazi]

 > A few more places for the format attribute.
 > Bootstrapped on x86_64-unknown-linux-gnu, ok for mainline?
 > 
 > 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 > 
 > 	    * c-decl.c (locate_old_decl): Add format attribute.
 > 	    (implicit_decl_warning): Likewise.
 > 
 > cp:
 > 	* call.c (convert_like_real): Add format attribute.
 > 	* typeck.c (check_for_casting_away_constness,
 > 	build_static_cast_1): Likewise.
 > 	* typeck2.c (readonly_error, cxx_incomplete_type_diagnostic):
 > 	Likewise.

Approved by Gaby offline, installed.

--
Kaveh R. Ghazi			ghazi@caip.rutgers.edu