Standardize version output

Changes:

* Only print the version line in the print_version function
* Add a print_version function where missing (put it in usage.c if the
  file exists)
* Always a blank line after the version

1 files changed, 5 insertions, 1 deletions

diff --git a/src/firemon/usage.c b/src/firemon/usage.c
index 1cb1b7cfc..0fb9908c5 100644
--- a/src/firemon/usage.c
+++ b/src/firemon/usage.c
@@ -78,7 +78,11 @@ static char *help_str =
         "Homepage: https://firejail.wordpress.com\n"
         "\n";
 
+void print_version(void) {
+        printf("firemon version %s\n\n", VERSION);
+}
+
 void usage(void) {
-        printf("firemon version %s\n", VERSION);
+        print_version();
         puts(help_str);
 }