xfce4-mousepad: update to 0.5.1

Change log:

0.5.1
======
- Dependency Changes:
  - GLib >= 2.52.0
  - GTK >= 3.22.0

- New Features:
  - Allow to change the font size from keyboard/mouse (#46, #54, !60)
  - Switch to asynchronous search (!58)
  - Give more choice for whitespace display (#44, !46)

- Appearance Changes:
  - Improve the look of the search bar
  - Add a spinner to the search widgets
  - Make the occurrences count appear in the search bar
  - Reformulate "Home/End Keys" setting description

- Code Refactoring:
  - Code refactoring around MousepadView properties (!60)
  - Code refactoring around GMenuModel-bindings (!50)

- Bug Fixes:
  - Decrease reference count of anchored documents
  - Filter document signals on the active document
  - Fix a memory leak in the templates menu
  - Fix wrong conversion from uri to filename (#81)
  - Warn when using GLib functions newer than requirements
    (Mousepad 0.5.0 actually required GLib 2.60 due to such an oversight)

- Translation Updates:
  Catalan, Chinese (Taiwan), French, German, Italian, Japanese,
  Lithuanian, Norwegian Bokmål, Portuguese, Portuguese (Brazil),
  Russian, Serbian, Spanish, Swedish, Turkish

editors/xfce4-mousepad/Makefile

@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.53 2020/12/01 05:11:53 gutteridge Exp $
+# $NetBSD: Makefile,v 1.54 2021/01/06 01:21:51 gutteridge Exp $
 
 .include "../../meta-pkgs/xfce4/Makefile.common"
 
-VERSION=	0.5.0
+VERSION=	0.5.1
 DISTNAME=	mousepad-${VERSION}
 PKGNAME=	xfce4-mousepad-${VERSION}
 CATEGORIES=	editors

editors/xfce4-mousepad/distinfo

@@ -1,6 +1,6 @@
-$NetBSD: distinfo,v 1.9 2020/12/01 05:11:53 gutteridge Exp $
+$NetBSD: distinfo,v 1.10 2021/01/06 01:21:51 gutteridge Exp $
 
-SHA1 (mousepad-0.5.0.tar.bz2) = b86c760f563e25f89bcbe3d0c45201455451ab08
-RMD160 (mousepad-0.5.0.tar.bz2) = 524439676a37630284eac3e1046ebbefcf9aa08b
-SHA512 (mousepad-0.5.0.tar.bz2) = 06cab143a3a0f98ad2aeecb0c7f034b8dede355de09632217da27dfb0675909c6cb284b227644c9ab3513a67fb23594ee63f0112ade69830d46559a8e7d65842
-Size (mousepad-0.5.0.tar.bz2) = 810533 bytes
+SHA1 (mousepad-0.5.1.tar.bz2) = 6ce4d2b71b311bf488e2ae4229e33d5743f41f02
+RMD160 (mousepad-0.5.1.tar.bz2) = 80e0aa2ee2bf9ebd252df766198ca123ba275f84
+SHA512 (mousepad-0.5.1.tar.bz2) = 2b9403332f370bb75bf03a0e0aeab2b2f889fcd2fcef54e6d958e82933f5b6044dbf9416cf0ca5b43f4c304bb93dec185c647ebb40ed3915a87a15b76cf2e634
+Size (mousepad-0.5.1.tar.bz2) = 826973 bytes