Minor clean up in `clif_displaymessage` function (#3957)

* Clean up `clif_displaymessage` function

src/map/clif.cpp

@@ -6177,11 +6177,11 @@ void clif_displaymessage(const int fd, const char* mes)
 		message = aStrdup(mes);
 		line = strtok(message, "\n");
 
+		while(line != NULL) {
 #if PACKETVER == 20141022
 		/** for some reason game client crashes depending on message pattern (only for this packet) **/
 		/** so we redirect to ZC_NPC_CHAT **/
 		//clif_messagecolor(&sd->bl, color_table[COLOR_DEFAULT], mes, false, SELF);
-		while(line != NULL) {
 			unsigned long color = (color_table[COLOR_DEFAULT] & 0x0000FF) << 16 | (color_table[COLOR_DEFAULT] & 0x00FF00) | (color_table[COLOR_DEFAULT] & 0xFF0000) >> 16; // RGB to BGR
 			unsigned short len = strnlen(line, CHAT_SIZE_MAX);
 
@@ -6195,7 +6195,6 @@ void clif_displaymessage(const int fd, const char* mes)
 				WFIFOSET(fd, WFIFOW(fd, 2));
 			}
 #else
-		while(line != NULL) {
 			// Limit message to 255+1 characters (otherwise it causes a buffer overflow in the client)
 			int len = strnlen(line, CHAT_SIZE_MAX);