[gimp] po: fix typo in POTFILES.in

[Michael Natterer <mitch src gnome org>]

commit 4705684b0ebaa2b3f36c909f75c5b88a98a018d6
Author: Michael Natterer <mitch gimp org>
Date:   Sat Apr 14 02:18:56 2018 +0200

    po: fix typo in POTFILES.in

 po/POTFILES.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index ae06cdb..ac749e9 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -436,7 +436,7 @@ app/tools/gimpfreeselecttool.c
 app/tools/gimpfuzzyselecttool.c
 app/tools/gimpgegltool.c
 app/tools/gimpgenerictransformtool.c
-app/tools/gimpgradientptions.c
+app/tools/gimpgradientoptions.c
 app/tools/gimpgradienttool.c
 app/tools/gimpgradienttool-editor.c
 app/tools/gimpguidetool.c