grim/guifications2

Fix the dates in the ChangeLog to be sane
draft
2021-05-17, Gary Kramlich
388e9f347275
Fix the dates in the ChangeLog to be sane
src/gf_action.c
src/gf_blist.c
src/gf_display.c
src/gf_event.c
src/gf_event_info.c
src/gf_item.c
src/gf_item_icon.c
src/gf_item_image.c
src/gf_item_offset.c
src/gf_item_text.c
src/gf_menu.c
src/gf_notification.c
src/gf_preferences.c
src/gf_stock.c
src/gf_theme.c
src/gf_theme_editor.c
src/gf_theme_info.c
src/gf_theme_ops.c
src/guifications.c