Fixes #21029 - define fail_with_message before run_cmd

run_cmd uses fail_with_message, so it has to be defined before

katello/helper.rb

@@ -23,6 +23,12 @@ def disable_system_check_option?
       Gem::Version.new(katello_installer_version) >= Gem::Version.new("3.2.0")
     end
 
+    def fail_with_message(message, opt_parser=nil)
+      STDOUT.puts message
+      puts opt_parser if opt_parser
+      exit(false)
+    end
+
     def run_cmd(command, exit_codes=[0], message=nil)
       result = `#{command}`
       unless exit_codes.include?($?.exitstatus)
@@ -41,11 +47,5 @@ def run_cmd(command, exit_codes=[0], message=nil)
     def timestamp
       DateTime.now.strftime('%Y%m%d%H%M%S')
     end
-
-    def fail_with_message(message, opt_parser=nil)
-      STDOUT.puts message
-      puts opt_parser if opt_parser
-      exit(false)
-    end
   end
 end