Fix flatpak build

Flatpak builds use the host systemd rather than their own, and install
into the /app prefix.  We also need to avoid the hard dependency on
systemd/udev, which exists on host systems but are unwanted in
flatpak apps or runtimes.

libmtp.spec

@@ -3,13 +3,13 @@
 
 Name:           libmtp
 Version:        1.1.19
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Software library for MTP media players
 URL:            http://libmtp.sourceforge.net/
 
 Source0:        https://download.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 License:        LGPLv2+
-Requires:       udev
+Recommends:     udev
 BuildRequires:  libtool
 BuildRequires:  gettext-devel
 BuildRequires:  gcc
@@ -83,8 +83,8 @@ mkdir -p -m 755 $RPM_BUILD_ROOT%{_pkgdocdir}
 install -p -m 644 AUTHORS README TODO \
       $RPM_BUILD_ROOT%{_pkgdocdir}
 # Move some autogenerated documentation where we want it
-if [ $RPM_BUILD_ROOT/usr/share/doc/%{name}-%{version}/html != $RPM_BUILD_ROOT%{_pkgdocdir}/html ] ; then \
-	mv $RPM_BUILD_ROOT/usr/share/doc/%{name}-%{version}/html \
+if [ $RPM_BUILD_ROOT%{_docdir}/%{name}-%{version}/html != $RPM_BUILD_ROOT%{_pkgdocdir}/html ] ; then \
+	mv $RPM_BUILD_ROOT%{_docdir}/%{name}-%{version}/html \
 		$RPM_BUILD_ROOT%{_pkgdocdir} ; \
 fi
 # Touch generated files to make them always have the same time stamp.
@@ -113,6 +113,10 @@ chrpath --delete $RPM_BUILD_ROOT{%{_bindir},/usr/lib/udev}/mtp*
 %{_libdir}/pkgconfig/libmtp.pc
 
 %changelog
+* Tue Feb 21 2023 Yaakov Selkowitz <yselkowi@redhat.com> - 1.1.19-4
+- Fix flatpak build
+- Soften udev dependency for flatpaks
+
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.19-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild