[gimp] app: add missing translation context to dashboard action tooltip

[N/A <ell src gnome org>]

commit 1f4b78bc68606b330724809c1161856ec575dae9
Author: Ell <ell_se yahoo com>
Date:   Tue Dec 19 16:56:23 2017 -0500

    app: add missing translation context to dashboard action tooltip

 app/actions/dashboard-actions.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/app/actions/dashboard-actions.c b/app/actions/dashboard-actions.c
index 73449e5..6acf18c 100644
--- a/app/actions/dashboard-actions.c
+++ b/app/actions/dashboard-actions.c
@@ -50,7 +50,8 @@ static const GimpToggleActionEntry dashboard_toggle_actions[] =
 {
   { "dashboard-low-swap-space-warning", NULL,
     NC_("dashboard-action", "Low Swap Space Warning"), NULL,
-    N_("Raise the dashboard when the swap size approaches its limit"),
+    NC_("dashboard-action", "Raise the dashboard when "
+                            "the swap size approaches its limit"),
     G_CALLBACK (dashboard_low_swap_space_warning_cmd_callback),
     FALSE,
     GIMP_HELP_DASHBOARD_LOW_SWAP_SPACE_WARNING }