patch 9.0.0190: the way 'cmdheight' can be made zero is inconsistent

Problem:    The way 'cmdheight' can be made zero is inconsistent.
Solution:   Only make 'cmdheight' zero when setting it explicitly, not when
            resizing windows. (closes #10890)
diff --git a/src/version.c b/src/version.c
index 03a8091..a9887fa 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    190,
+/**/
     189,
 /**/
     188,