typo behoben, use_and_exit beendet wieder mit übergebenem exitcode

townandmail.sh

@@ -59,13 +59,13 @@ Usage: $PROGRAMM_NAME [-d -g -h -k -o outputfile -v] -i input -m input
         -d              runs in debug mode
         -g              creates new community keys file from dfbasic and exits
         -h              displays short help and exits
-        -o outputfile   runs in verbose mode
+        -o outputfile   write output to file <outputfile>
         -i inputfile    inputfile without email addresses
         -k              keeps file with fails
         -m inputfile    inputfile with email addresses
         -v              run in verbose mode
 EOF
-exit 1
+exit $1
 }
 
 msg() {