patch 8.0.1707: when 'wfh' is set ":bel 10new" scrolls window

Problem:    When 'wfh' is set ":bel 10new" scrolls window. (Andrew Pyatkov)
Solution:   Set the fraction before changing the window height. (closes #2798)
diff --git a/src/version.c b/src/version.c
index 4cba818..5facbc5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -763,6 +763,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1707,
+/**/
     1706,
 /**/
     1705,