patch 7.4.2330
Problem:    Coverity complains about not checking curwin to be NULL.
Solution:   Use firstwin to avoid the warning.
diff --git a/src/version.c b/src/version.c
index 42eeaa8..31324c4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -764,6 +764,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2330,
+/**/
     2329,
 /**/
     2328,