[gimp] libgimpwidgets: fix typo s/shold/should/.

[Jehan Pagès <jehanp src gnome org>]

commit 28d3897086587e9628a72b02861bd92b42eadc4e
Author: Jehan <jehan girinstud io>
Date:   Sun Jun 25 14:06:05 2017 +0200

    libgimpwidgets: fix typo s/shold/should/.

 libgimpwidgets/gimpsizeentry.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgimpwidgets/gimpsizeentry.c b/libgimpwidgets/gimpsizeentry.c
index 16443bd..12e88a6 100644
--- a/libgimpwidgets/gimpsizeentry.c
+++ b/libgimpwidgets/gimpsizeentry.c
@@ -210,10 +210,10 @@ gimp_size_entry_finalize (GObject *object)
  * @unit:              The initial unit.
  * @unit_format:       A printf-like unit-format string as is used with
  *                     gimp_unit_menu_new().
- * @menu_show_pixels:  %TRUE if the unit menu shold contain an item for
+ * @menu_show_pixels:  %TRUE if the unit menu should contain an item for
  *                     GIMP_UNIT_PIXEL (ignored if the @update_policy is not
  *                     GIMP_SIZE_ENTRY_UPDATE_NONE).
- * @menu_show_percent: %TRUE if the unit menu shold contain an item for
+ * @menu_show_percent: %TRUE if the unit menu should contain an item for
  *                     GIMP_UNIT_PERCENT.
  * @show_refval:       %TRUE if you want an extra "reference value"
  *                     spinbutton per input field.