Correct ANSI string terminator

Use the correct decimal value 27

In bash, PS1="\e]0;<title>\e\\" or PS1="\e]0;<title>\033"

BUG: 231405

Differential Revision: https://phabricator.kde.org/D5576

src/Vt102Emulation.cpp

@@ -278,7 +278,7 @@ 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 || cc == 33))
+#define Xte        (Xpe      && (cc ==  7 || cc == 27))
 #define ces(C)     (cc < 256 && (charClass[cc] & (C)) == (C) && !Xte)
 
 #define CNTL(c) ((c)-'@')