Close #6755: Add get_wch() method to curses.window class

Patch by IƱigo Serna.
diff --git a/Misc/ACKS b/Misc/ACKS
index 10bdaf6..ed21b1a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -851,6 +851,7 @@
 Yury Selivanov
 Fred Sells
 Jiwon Seo
+Iñigo Serna
 Roger D. Serwy
 Jerry Seutter
 Denis Severson