[balsa: 1/6] balsa --checkmail is not --check-mail

[Peter Bloomfield <peterb src gnome org>]

commit be940dc4f93bcc1104293ddb7bee6e3e42a9d8f4
Author: Daniel Kahn Gillmor <dkg fifthhorseman net>
Date:   Mon Feb 17 20:04:08 2020 -0500

    balsa --checkmail is not --check-mail
    
    parse_options in src/main.c is more authoritative than the manpage.

 balsa.1.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/balsa.1.in b/balsa.1.in
index 076e98f55..5ba2526b0 100644
--- a/balsa.1.in
+++ b/balsa.1.in
@@ -41,7 +41,7 @@ When you start Balsa from the command line of an (x)terminal,
 .SH SYNTAX
 \fBbalsa \fR[  \fB\   \fR  \fB\-\-help                               \fR]
 \fR      \fR[  \fB\   \fR  \fB\-\-version                            \fR]
-\fR      \fR[  \fB\-c \fR| \fB\-\-check-mail                         \fR]
+\fR      \fR[  \fB\-c \fR| \fB\-\-checkmail                          \fR]
 \fR      \fR[( \fB\-m \fR| \fB\-\-compose=\fR)\fIemail-address             \fR]
 \fR      \fR[( \fB\-a \fR| \fB\-\-attach=\fR)\fIfilename                   \fR]
 \fR      \fR[( \fB\-o \fR| \fB\-\-open\-mailbox=)\fImailbox\fR[\fI:mailbox\fR]... ]