Remove trailing whitespace in lua files

Whitespace is not significant, so this should not be a problem.
https://secwiki.org/w/Nmap/Code_Standards

scripts/eppc-enum-processes.nse

@@ -18,7 +18,7 @@ prior to requesting authentication.
 -- @output
 -- PORT     STATE SERVICE
 -- 3031/tcp open  eppc
--- | eppc-enum-processes: 
+-- | eppc-enum-processes:
 -- | application       uid  pid
 -- | Address Book      501  269
 -- | Facetime          501  495
@@ -39,27 +39,27 @@ categories = {"discovery", "safe"}
 portrule = shortport.port_or_service(3031, "eppc", "tcp", "open")
 
 action = function( host, port )
-	
+
 	local socket = nmap.new_socket()
 	socket:set_timeout(5000)
-	
-	local try = nmap.new_try( 
-		function() 
+
+	local try = nmap.new_try(
+		function()
 			stdnse.print_debug("%s: failed", SCRIPT_NAME)
 			socket:close()
 		end
 	)
-	
+
 	-- a list of application that may or may not be running on the target
 	local apps = {
 		"Address Book",
 		"App Store",
 		"Facetime",
-		"Finder", 
-		"Firefox", 
+		"Finder",
+		"Firefox",
 		"Google Chrome",
 		"iChat",
-		"iPhoto", 
+		"iPhoto",
 		"Keychain Access",
 		"iTunes",
 		"Photo booth",
@@ -68,12 +68,12 @@ action = function( host, port )
 		"Safari",
 		"Spotify",
 		"Terminal",
-		"TextMate", 
+		"TextMate",
 		"Transmission",
 		"VLC",
 		"VLC media player",
 	}
-	
+
 	local results = tab.new(3)
 	tab.addrow( results, "application", "uid", "pid" )
 
@@ -81,10 +81,10 @@ action = function( host, port )
 		try( socket:connect(host, port, "tcp") )
 		local data
 
-		local packets = { 
+		local packets = {
 			"PPCT\0\0\0\1\0\0\0\1",
 			-- unfortunately I've found no packet specifications, so this has to do
-			bin.pack("HCpH", "e44c50525401e101", 225 + #app, app, "dfdbe302013ddfdfdfdfd500") 
+			bin.pack("HCpH", "e44c50525401e101", 225 + #app, app, "dfdbe302013ddfdfdfdfd500")
 		}
 
 		for _, v in ipairs(packets) do
@@ -97,7 +97,7 @@ action = function( host, port )
 
 		try( socket:close() )
 	end
-	
+
 	return "\n" .. tab.dump(results)
-	
+
 end