muffin: update to 4.4.2.

pkg-config: honor sysroot when used to cross-compile

From https://autotools.io/pkgconfig/cross-compiling.html

> To design a variable to contain a path that needs to be used at build
> time, such as the path where a generation script is, you can prefix it
> in the .pc file with the built-in variable ${pc_sysrootdir}.

srcpkgs/muffin/patches/pkgconfig-honor-sysroot-cross.patch

@@ -0,0 +1,13 @@
+--- src/libmuffin.pc.in
++++ src/libmuffin.pc.in
+@@ -2,8 +2,8 @@
+ exec_prefix=@exec_prefix@
+ libdir=@libdir@
+ includedir=@includedir@
+-girdir=@libdir@/muffin
+-typelibdir=@libdir@/muffin
++girdir=${pc_sysrootdir}@libdir@/muffin
++typelibdir=${pc_sysrootdir}@libdir@/muffin
+ apiversion=@MUFFIN_PLUGIN_API_VERSION@
+ 
+ muffin_major_version=@MUFFIN_MAJOR_VERSION@

srcpkgs/muffin/template

@@ -1,6 +1,6 @@
 # Template file for 'muffin'
 pkgname=muffin
-version=4.2.2
+version=4.4.2
 revision=1
 build_style=gnu-configure
 build_helper=gir
@@ -16,7 +16,7 @@ maintainer="Orphaned <orphan@voidlinux.org>"
 license="GPL-2.0-or-later, LGPL-2.0-or-later"
 homepage="http://developer.linuxmint.com/projects/cinnamon-projects.html/"
 distfiles="https://github.com/linuxmint/${pkgname}/archive/${version}.tar.gz"
-checksum=08c64a7a951fc526d96b4e3b6b53997328904ae2430aad4c2611a4f130a5bd16
+checksum=1c7a98e1a0fa9356d7c166166830bdb043079cdb7ff8d3dd6dc817e29852a52a
 shlib_provides="libmuffin-clutter-0.so libmuffin-cogl-pango-0.so
  libmuffin-cogl-path-0.so libmuffin-cogl-0.so"