patch 7.4.2149

Problem:    If a test leaves a window open a following test may fail.
Solution:   Always close extra windows after running a test.

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2149,
 /**/
     2148,
 /**/