Fix usage message not showing short options

src/shellfu/saturnin.sh

@@ -256,10 +256,10 @@ saturnin__usage() {
     mkusage $es_param                                       \
             "[options] COMMAND [ARG...]"                    \
         -o                                                  \
-            "--debug    turn on debugging"                  \
-            "--help     show this help message and exit"    \
-            "--verbose  turn on verbosity"                  \
-            "--version  show version and exit"              \
+            "-d, --debug    turn on debugging"              \
+            "-h, --help     show this help message and exit"\
+            "-v, --verbose  turn on verbosity"              \
+            "--version      show version and exit"          \
         -c                                                  \
             $(saturnin__lssc)
 }