updated for version 7.4.468

Problem:    Issue 26: CTRL-C does not interrupt after it was mapped and then
            unmapped.
Solution:   Reset mapped_ctrl_c. (Christian Brabandt)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    468,
 /**/
     467,
 /**/