Update 'kfg'

kfg

@@ -372,14 +372,14 @@ function install {
   exit 0
 }
 
-if [ -z $@ ] then;
+if [ -z $@ ]; then
   show_help
 fi
 
 PARSED_ARGUMENTS=$(getopt -a -n install.sh -o hvyi:acrbm:p --long yes,help,debug,arch: -- "$@")
 VALID_ARGUMENTS=$?
 if [ "$VALID_ARGUMENTS" != "0" ]; then
-  usage
+  show_help
 fi
 
 ARCH=$(/usr/bin/dpkg --print-architecture)