Log Message:
Update gedit3 to 3.16.4

From David Gutteridge in PR pkg/50541

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gedit 3.16.4
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Fixes
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- Fix crash in the open document selector
- Various bug fixes

New and updated translations
============================
- nl (Hannie Dumoleyn)

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gedit 3.16.3
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Fixes
======================
- Various bug fixes

New and updated translations
============================
- cs (Marek Černocký)
- de (Bernd Homuth)
- es (Daniel Mustieles)
- gl (Fran Dieguez)
- hu (Balázs Úr)
- id (Andika Triwidada)
- is (Sveinn í Felli)
- it (Milo Casagrande)
- lt (Aurimas Černius)
- oc (Cédric Valmary (totenoc.eu))
- pl (Piotr Drąg)
- pt_BR (Felipe Braga)
- pt (Pedro Albuquerque)
- ru (Paulo Fino)
- sk (Du\232an Kazik)
- sl (Matej Urbančič)
- sv (Anders Jonsson)