Add trailing slash to --datadir, if missing.

Signed-off-by: Thomas Hochstein <thh@thh.name>

ChangeLog

@@ -1,5 +1,6 @@
 yapfaq 1.1.1 (unreleased)
   * Warn for missing .rc file.
+  * Add trailing slash to --datadir, if missing.
 
 yapfaq 1.1.0 (2026-02-13)
   * --test: Set Supersedes and don't modify Message-ID if -o is set.

bin/yapfaq.pl

@@ -120,6 +120,9 @@ if ($OptSimulation) {
 # -t implies -o if -n is not set
 $OptOutput = 1 if $OptTest && !$OptNewsgroup;
 
+# add trailing slash to $Config{'datadir'}, if necessary
+$Config{'datadir'} .= '/' if $Config{'datadir'} !~ /\/$/;
+
 ### create list of @Projects from $Config{'datadir'} unless -p is set
 my @Projects;
 if (!$OptProject) {