Some whitespace and ruby -c fixes

lib/rex/post/meterpreter/ui/console/command_dispatcher/core.rb

@@ -128,7 +128,6 @@ class Console::CommandDispatcher::Core
 
 		mode = nil
 		chan = nil
-		data = []
 
 		# Parse options
 		@@channel_opts.parse(args) { |opt, idx, val|
@@ -331,7 +330,6 @@ class Console::CommandDispatcher::Core
 	#
 	# @param args [Array<String>] Commandline arguments, only -h or a pid
 	# @return [void]
-
 	def cmd_migrate(*args)
 		if ( args.length == 0 or args.include?("-h") )
 			cmd_migrate_help
@@ -367,8 +365,6 @@ class Console::CommandDispatcher::Core
 			args.unshift("-h")
 		end
 
-		modules = nil
-
 		@@load_opts.parse(args) { |opt, idx, val|
 			case opt
 				when "-l"
@@ -503,11 +499,11 @@ class Console::CommandDispatcher::Core
 				reloaded_mod = client.framework.modules.reload_module(original_mod)
 
 				unless reloaded_mod
-          error = client.framework.modules.module_load_error_by_path[original_mod.file_path]
+					error = client.framework.modules.module_load_error_by_path[original_mod.file_path]
 					print_error("Failed to reload module: #{error}")
 
 					return
-        end
+				end
 
 				opts = (args + [ "SESSION=#{client.sid}" ]).join(',')
 				reloaded_mod.run_simple(
@@ -694,8 +690,7 @@ class Console::CommandDispatcher::Core
 		}
 
 		# Find the channel associated with this cid, assuming the cid is valid.
-		if ((!cid) or
-		    (!(channel = client.find_channel(cid))))
+		if ((!cid) or (!(channel = client.find_channel(cid))))
 			print_error("Invalid channel identifier specified.")
 			return true
 		end