patch 8.1.0223: completing shell command finds sub-directories in $PATH

Problem:    Completing shell command finds sub-directories in $PATH.
Solution:   Remove EW_DIR when completing an item in $PATH. (Jason Franklin)
diff --git a/src/version.c b/src/version.c
index 968ff96..e646a2b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -799,6 +799,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    223,
+/**/
     222,
 /**/
     221,