patch 9.0.1655: syntax test fails when Vim window is not tall enough

Problem:    Syntax test fails when Vim window is not tall enough.
Solution:   Make sure each terminal window is closed.

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1655,
 /**/
     1654,
 /**/