patch 8.2.4706: buffer remains active with WinClosed and tabpages

Problem:    Buffer remains active if a WinClosed event throws an exception
            when there are multiple tabpages.
Solution:   Ignore aborting() when closing the buffer. (closes #10101)

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4706,
 /**/
     4705,
 /**/