matchbox: miscellaneous fixes (#1475)

aports/main/postmarketos-ui-matchbox/APKBUILD

aports/matchbox/libmatchbox/APKBUILD

aports/matchbox/libmatchbox/external-xsettings.patch

aports/matchbox/libmatchbox/libmb.pc.in.patch

aports/matchbox/libxsettings-client/APKBUILD

aports/matchbox/libxsettings/APKBUILD

aports/matchbox/matchbox-common/APKBUILD

aports/matchbox/matchbox-common/matchbox-v2-utils.patch

aports/matchbox/matchbox-desktop/01-needed-libraries.patch

aports/matchbox/matchbox-desktop/APKBUILD

aports/matchbox/matchbox-keyboard/APKBUILD

aports/matchbox/matchbox-panel-manager/01-linking-fix.patch

aports/matchbox/matchbox-panel-manager/APKBUILD

aports/matchbox/matchbox-panel/APKBUILD

aports/matchbox/matchbox-panel/allow-smaller-icons.patch

...ts/matchbox/matchbox-window-manager/01-build-themes.patch

aports/matchbox/matchbox-window-manager/02-config.patch

...s/matchbox/matchbox-window-manager/03-default-theme.patch

.../matchbox/matchbox-window-manager/04-install-themes.patch

aports/matchbox/matchbox-window-manager/05-makefile.patch