patch 8.0.0320: warning for unused variable with small build

Problem:    Warning for unused variable with small build.
Solution:   Change #ifdef to exclude FEAT_CMDWIN. (Kazunobu Kuriyama)

Author: brammool

src/ex_getln.c

@@ -212,8 +212,7 @@ getcmdline(
 #endif
     expand_T	xpc;
     long	*b_im_ptr = NULL;
-#if defined(FEAT_WILDMENU) || defined(FEAT_EVAL) \
-    || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_CMDWIN)
+#if defined(FEAT_WILDMENU) || defined(FEAT_EVAL) || defined(FEAT_SEARCH_EXTRA)
     /* Everything that may work recursively should save and restore the
      * current command line in save_ccline.  That includes update_screen(), a
      * custom status line may invoke ":normal". */

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    320,
 /**/
     319,
 /**/