Update copyright notices.

man/fmail.1.in

@@ -118,7 +118,7 @@ Damien Goutte-Gattat
 .SH COPYRIGHT
 .ad l
 .PP
-Copyright \(co 2011 Damien Goutte-Gattat
+Copyright \(co 2011,2018 Damien Goutte-Gattat
 .PP
 This program is released under the GNU General Public License.
 See the COPYING file in the source distribution or

src/fmail.c

@@ -92,7 +92,7 @@ info(void)
 {
     printf("\
 fmail %s\n\
-Copyright (C) 2011 Damien Goutte-Gattat\n\
+Copyright (C) 2018 Damien Goutte-Gattat\n\
 \n\
 This program is released under the GNU General Public License.\n\
 See the COPYING file or <http://www.gnu.org/licenses/gpl.html>.\n\