c++/10627: [diagnostic] improve error message when a template is used without argument list

[giovannibajo@libero.it]

Synopsis: [diagnostic] improve error message when a template is used without argument list

Responsible-Changed-From-To: unassigned->gdr
Responsible-Changed-By: bajo
Responsible-Changed-When: Fri May  9 18:59:20 2003
Responsible-Changed-Why:
    Diagnostic mantainer

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10627