patch 8.2.2160: various typos

Problem:    Various typos.
Solution:   Fix spelling mistakes. (closes #7494)
diff --git a/src/map.c b/src/map.c
index 229095b..f3dd569 100644
--- a/src/map.c
+++ b/src/map.c
@@ -2221,7 +2221,7 @@
     if (did_simplify)
     {
 	// When the lhs is being simplified the not-simplified keys are
-	// preferred for priting, like in do_map().
+	// preferred for printing, like in do_map().
 	// The "rhs" and "buffer_local" values are not expected to change.
 	mp_simplified = mp;
 	(void)replace_termcodes(keys, &alt_keys_buf,