updated for version 7.3.338

Problem:    Using getchar() in an expression mapping doesn't work well.
Solution:   Don't save and restore the typeahead. (James Vega)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    338,
 /**/
     337,
 /**/