patch 8.1.1703: breaking out of loop by checking window pointer insufficient

Problem:    Breaking out of loop by checking window pointer is insufficient.
Solution:   Check the window ID and the buffer number. (closes #4683)
diff --git a/src/version.c b/src/version.c
index c379553..e3373be 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1703,
+/**/
     1702,
 /**/
     1701,