vim-patch:8.1.1086: too many curly braces

Problem:    Too many curly braces.
Solution:   Remove curly braces where they are not needed. (Hirohito Higashi,
            closes vim/vim#3982)
abab0b0fdd

Neovim code style requires the opposite.
Add curly braces to minimize lint errors when applying Vim patches.

src/nvim/ex_docmd.c

@@ -6761,8 +6761,9 @@ void ex_splitview(exarg_T *eap)
     if (*eap->arg != NUL
         ) {
       RESET_BINDING(curwin);
-    } else
-      do_check_scrollbind(FALSE);
+    } else {
+      do_check_scrollbind(false);
+    }
     do_exedit(eap, old_curwin);
   }