spice-gtk: update to 0.28.

srcpkgs/spice-gtk/template

@@ -1,7 +1,7 @@
 # Template file for 'spice-gtk'
 pkgname=spice-gtk
-version=0.27
-revision=4
+version=0.28
+revision=1
 build_style=gnu-configure
 configure_args="--disable-static --enable-vala $(vopt_enable gir introspection)
  --enable-smartcard=no --enable-usbredir=no --enable-polkit=yes --enable-pie=yes
@@ -17,7 +17,7 @@ license="LGPL-2.1"
 short_desc="GTK+2/3 SPICE widget"
 maintainer="Juan RP <xtraeme@gmail.com>"
 distfiles="http://spice-space.org/download/gtk/${pkgname}-${version}.tar.bz2"
-checksum=5075e07010db434146649110ade31f5a6cdcdb4efbb4bedd40f1a977f090430c
+checksum=15aeeb63422cb3bfaa2edbf4602ed2025baa4455abfd1677f631245a0d0f81c4
 
 build_options="gir"
 if [ -z "$CROSS_BUILD" ]; then