app-office/scribus: add dev-libs/libxml2 subslot op for incoming ABI break

Signed-off-by: Alfred Wingate <parona@protonmail.com>
Part-of: https://github.com/gentoo/gentoo/pull/41919
Signed-off-by: Sam James <sam@gentoo.org>

app-office/scribus/scribus-1.6.3-r1.ebuild

@@ -36,7 +36,7 @@ DEPEND="${PYTHON_DEPS}
 	dev-libs/hyphen
 	dev-libs/icu:0=
 	dev-libs/librevenge
-	dev-libs/libxml2
+	dev-libs/libxml2:=
 	dev-qt/qtcore:5
 	dev-qt/qtgui:5[-gles2-only,X]
 	dev-qt/qtnetwork:5

app-office/scribus/scribus-1.6.4-r1.ebuild

@@ -36,7 +36,7 @@ DEPEND="${PYTHON_DEPS}
 	dev-libs/hyphen
 	dev-libs/icu:0=
 	dev-libs/librevenge
-	dev-libs/libxml2
+	dev-libs/libxml2:=
 	dev-qt/qtcore:5
 	dev-qt/qtgui:5[-gles2-only,X]
 	dev-qt/qtnetwork:5

app-office/scribus/scribus-1.6.9999.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -36,7 +36,7 @@ DEPEND="${PYTHON_DEPS}
 	dev-libs/hyphen
 	dev-libs/icu:0=
 	dev-libs/librevenge
-	dev-libs/libxml2
+	dev-libs/libxml2:=
 	dev-qt/qtcore:5
 	dev-qt/qtgui:5[-gles2-only,X]
 	dev-qt/qtnetwork:5

app-office/scribus/scribus-1.7.0-r1.ebuild

@@ -36,7 +36,7 @@ DEPEND="${PYTHON_DEPS}
 	dev-libs/hyphen
 	dev-libs/icu:0=
 	dev-libs/librevenge
-	dev-libs/libxml2
+	dev-libs/libxml2:=
 	dev-qt/qt5compat:6
 	dev-qt/qtbase:6[gui,network,opengl,X,xml,widgets]
 	dev-qt/qtsvg:6

app-office/scribus/scribus-9999.ebuild

@@ -36,7 +36,7 @@ DEPEND="${PYTHON_DEPS}
 	dev-libs/hyphen
 	dev-libs/icu:0=
 	dev-libs/librevenge
-	dev-libs/libxml2
+	dev-libs/libxml2:=
 	dev-qt/qt5compat:6
 	dev-qt/qtbase:6[gui,network,opengl,X,xml,widgets]
 	dev-qt/qtsvg:6