libsigc++: update to 2.6.0.

srcpkgs/libsigc++/template

@@ -1,7 +1,7 @@
 # Template file for 'libsigc++'
 pkgname=libsigc++
-version=2.4.1
-revision=2
+version=2.6.0
+revision=1
 build_style=gnu-configure
 hostmakedepends="m4"
 configure_args="--enable-static --disable-documentation"
@@ -10,7 +10,7 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://libsigc.sourceforge.net/"
 license="LGPL-2.1"
 distfiles="${GNOME_SITE}/${pkgname}/${version%.*}/${pkgname}-${version}.tar.xz"
-checksum=540443492a68e77e30db8d425f3c0b1299c825bf974d9bfc31ae7efafedc19ec
+checksum=67c07771bf6313022883055efb0fad7cc9875168a4c0d01879d1846747e4ce3d
 
 libsigc++-devel_package() {
 	depends="${sourcepkg}>=${version}_${revision}"