[Rd] dataentry.c ESC key overrun. (PR#4865)

[nakama at ki.rim.or.jp]

Full_Name: 
Version: R-1.8.0
OS: linux
Submission from: (NULL) (219.117.236.5)


bufp is not reset.

src/modules/X11/dataentry.c
----------------------------------------------------
 static void handlechar(char *text)
 {
     int c = text[0];

     if ( c == '\033' ) {
         CellModified = FALSE;
         clength = 0;
+        bufp = buf;
         drawelt(crow, ccol);
         return;
     } else