patch 7.4.1923

Problem:    Command line editing is not tested much.
Solution:   Add tests for expanding the file name and 'wildmenu'.

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1923,
 /**/
     1922,
 /**/