(TTYinfo): add fallback if we fail to find "le" in termcap.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7666 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/editline/editline.c

@@ -220,6 +220,7 @@ TTYinfo()
     char		*term;
     char		buff[2048];
     char		*bp;
+    char		*tmp;
 #if	defined(TIOCGWINSZ)
     struct winsize	W;
 #endif	/* defined(TIOCGWINSZ) */
@@ -246,7 +247,11 @@ TTYinfo()
        TTYrows = SCREEN_ROWS;
        return;
     }
-    backspace = strdup(tgetstr("le", &bp));
+    tmp = tgetstr("le", &bp);
+    if (tmp != NULL)
+	backspace = strdup(tmp);
+    else
+	backspace = "\b";
     TTYwidth = tgetnum("co");
     TTYrows = tgetnum("li");