patch 8.0.1205: it is possible to unload a changed buffer

Problem:    Using "1q" it is possible to unload a changed buffer. (Rick Howe)
Solution:   Check the right window for changes.
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 905cdd4..ea6df86 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -7245,8 +7245,8 @@
      */
     if (check_more(FALSE, eap->forceit) == OK && only_one_window())
 	exiting = TRUE;
-    if ((!buf_hide(curbuf)
-		&& check_changed(curbuf, (p_awa ? CCGD_AW : 0)
+    if ((!buf_hide(wp->w_buffer)
+		&& check_changed(wp->w_buffer, (p_awa ? CCGD_AW : 0)
 				       | (eap->forceit ? CCGD_FORCEIT : 0)
 				       | CCGD_EXCMD))
 	    || check_more(TRUE, eap->forceit) == FAIL
diff --git a/src/testdir/test_edit.vim b/src/testdir/test_edit.vim
index 3fcb8a3..bb3af27 100644
--- a/src/testdir/test_edit.vim
+++ b/src/testdir/test_edit.vim
@@ -1373,3 +1373,16 @@
   endif
   set swapfile&
 endfunc
+
+func Test_edit_quit()
+  edit foo.txt
+  split
+  new
+  call setline(1, 'hello')
+  3wincmd w
+  redraw!
+  call assert_fails('1q', 'E37:')
+  bwipe! foo.txt
+  only
+endfunc
+
diff --git a/src/version.c b/src/version.c
index da06043..5a6c721 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1205,
+/**/
     1204,
 /**/
     1203,