patch 8.0.0910: cannot create a terminal in the current window

Problem:    Cannot create a terminal in the current window.
Solution:   Add option "curwin" and ++curwin.
diff --git a/src/version.c b/src/version.c
index 741c4a2..d88001d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    910,
+/**/
     909,
 /**/
     908,