[gimp] Remap Linear Invert's mnemonic to I to remove a duplicate with Levels

[Alexandre Prokoudine <aprokoudine src gnome org>]

commit 616efae3b0e6b839307fb92e5cd4fe54551f61b5
Author: Alexandre Prokoudine <alexandre prokoudine gmail com>
Date:   Thu Feb 14 01:18:09 2019 +0300

    Remap Linear Invert's mnemonic to I to remove a duplicate with Levels

 app/actions/filters-actions.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/app/actions/filters-actions.c b/app/actions/filters-actions.c
index f58b0cb479..a8d3bd92b9 100644
--- a/app/actions/filters-actions.c
+++ b/app/actions/filters-actions.c
@@ -111,7 +111,7 @@ static const GimpStringActionEntry filters_actions[] =
     GIMP_HELP_FILTER_COLOR_ENHANCE },
 
   { "filters-invert-linear", GIMP_ICON_INVERT,
-    NC_("filters-action", "_Linear Invert"), NULL, NULL,
+    NC_("filters-action", "L_inear Invert"), NULL, NULL,
     "gegl:invert-linear",
     GIMP_HELP_FILTER_INVERT_LINEAR },