media-sound/ardour: Fix build with glib-2.68

Thanks to Greg Turner for tracking down the upstream patches necessary
to resolve these bugs.

Closes: https://bugs.gentoo.org/777711
Closes: https://bugs.gentoo.org/784383
Signed-off-by: Matt Turner <mattst88@gentoo.org>

media-sound/ardour/Manifest

@@ -1 +1,2 @@
 DIST Ardour-6.6.0.tar.bz2 12046173 BLAKE2B d3a61ebe97fc26d89eee3f7a43c1ac47f5fda28251b76dcd635bba8c794541436a48fa288f40d1e156f01841e085588b60c8fa962b958c2f4bc6d7cdb4b1af75 SHA512 e175100bc03921865c5b387de68e30c21dd3e65dbf3868783092d165d5106a883aa4fca74e71b2e267e50b3c2f5c7b707a73967bbc93e66808d25aa3065b425f
+DIST ardour-6.6-volatile-atomic-glib-2.68.patch.gz 22322 BLAKE2B cd113f721d0c6c63c85372873cd43782e3a43b8963c4f9222e771039c4b397585582ffd4cb77d4928bcdc656ef533e4a4b40799ff0c32355985c592589766466 SHA512 3fa2ede8b943881b9c77b233892f146e354c4722265f6599417d55fdf69961d65f6d54ed2c74f53f1f835d006ee99e44adcb03ee117ba44a7be3bedbae2c8efc

media-sound/ardour/ardour-6.6-r1.ebuild

@@ -16,6 +16,7 @@ if [[ ${PV} == *9999* ]]; then
 else
 	KEYWORDS="amd64 x86"
 	SRC_URI="https://dev.gentoo.org/~fordfrog/distfiles/Ardour-${PV}.0.tar.bz2"
+	SRC_URI+=" https://dev.gentoo.org/~mattst88/distfiles/${P}-volatile-atomic-glib-2.68.patch.gz"
 	S="${WORKDIR}/Ardour-${PV}.0"
 fi
 
@@ -87,6 +88,8 @@ src_prepare() {
 	default
 	xdg_src_prepare
 
+	eapply "${WORKDIR}/${P}-volatile-atomic-glib-2.68.patch"
+
 	sed 's/'full-optimization\'\ :\ \\[.*'/'full-optimization\'\ :\ \'\','/' -i "${S}"/wscript || die
 	MARCH=$(get-flag march)
 	OPTFLAGS=""

media-sound/mangler/metadata.xml

@@ -8,7 +8,7 @@
   <maintainer type="person">
     <email>prometheanfire@gentoo.org</email>
   </maintainer>
-<maintainer type="project">
+  <maintainer type="project">
     <email>sound@gentoo.org</email>
     <name>Gentoo Sound project</name>
   </maintainer>