[balsa: 5/6] update dates in manpage

[Peter Bloomfield <peterb src gnome org>]

commit 2bc7240c109ec3243b644d4e761827604e91b5de
Author: Daniel Kahn Gillmor <dkg fifthhorseman net>
Date:   Mon Feb 17 20:20:06 2020 -0500

    update dates in manpage

 balsa.1.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/balsa.1.in b/balsa.1.in
index 97c912624..8f3f2ce23 100644
--- a/balsa.1.in
+++ b/balsa.1.in
@@ -184,7 +184,7 @@ Package names given in parenthesis are Debian package names.
 \fBGNOME    \fR(1) - modern desktop environment (package: gnome-bin)
 
 .SH COPYRIGHT
-(c) 1997-2003 Stuart Parmenter and others, see AUTHORS for a list of people.
+(c) 1997-2020 Stuart Parmenter and others, see AUTHORS for a list of people.
 
 This is free software; see the source for copying conditions.  There
 is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A