patch 9.1.1216: Pasting the '.' register multiple times may not work

Problem:  Pasting the '.' register multiple times may work incorrectly
          when the last insert starts with Ctrl-D and ends with '0'.
          (after 9.1.1212)
Solution: Restore the missing assignment (zeertzjq).

closes: #16908

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/getchar.c

@@ -204,7 +204,7 @@ get_recorded(void)
 get_inserted(void)
 {
     size_t len = 0;
-    char_u* str = get_buffcont(&redobuff, FALSE, &len);
+    char_u *str = get_buffcont(&redobuff, FALSE, &len);
     string_T ret = { str, len };
     return ret;
 }