Fix headerDecode ?...? ?...? (remove one space)

std/mtwin/mail/Tools.hx

@@ -32,7 +32,7 @@ class Tools {
 	static var HEXA = "0123456789ABCDEF";
 
 
-	static var REG_HEADER_DECODE = ~/^(.*?)=\?([^\?]+)\?(Q|B)\?([^?]*)\?=(.*?)$/i;
+	static var REG_HEADER_DECODE = ~/^(.*?)=\?([^\?]+)\?(Q|B)\?([^?]*)\?= ?(.*?)$/i;
 	static var REG_QP_LB = ~/=\\r?\\n/;
 	static var REG_QP = ~/=([A-Fa-f0-9]{1,2})/;
 	static var REG_START_TAB = ~/^(\t| )+/;