Allow ANSI string terminator to work

Treat "\e]0;<title>\e\\" (set window title) the same way
it interprets "\e]0;<title>\007".

It seems that Konsole does not recognize the standard string terminator
sequence "\e\\" (ESC \). Everything works fine if I use "\007" (BEL).

<http://invisible-island.net/xterm/xterm.faq.html#how2_title>

Thanks to Aniketh Girish anikethgireesh gmail com and Martin Sandsmark
martin sandsmark kde org for patch/review

BUG:231405
REVIEW:129895

src/Vt102Emulation.cpp

@@ -280,7 +280,7 @@ void Vt102Emulation::initTokenizer()
 #define epe( )     (p >=  3  && s[2] == '!')
 #define egt( )     (p >=  3  && s[2] == '>')
 #define Xpe        (tokenBufferPos >= 2 && tokenBuffer[1] == ']')
-#define Xte        (Xpe      && cc ==  7 )
+#define Xte        (Xpe      && (cc ==  7 || cc == 33))
 #define ces(C)     (cc < 256 && (charClass[cc] & (C)) == (C) && !Xte)
 
 #define CNTL(c) ((c)-'@')