man: move socket-proxyd man page to section 8, since it is not in the $PATH

Makefile-man.am

@@ -68,7 +68,7 @@ MANPAGES += \
 	man/systemd-run.1 \
 	man/systemd-shutdownd.service.8 \
 	man/systemd-sleep.conf.5 \
-	man/systemd-socket-proxyd.1 \
+	man/systemd-socket-proxyd.8 \
 	man/systemd-suspend.service.8 \
 	man/systemd-sysctl.service.8 \
 	man/systemd-system-update-generator.8 \

man/systemd-socket-proxyd.xml

@@ -35,7 +35,7 @@
         </refentryinfo>
         <refmeta>
                 <refentrytitle>systemd-socket-proxyd</refentrytitle>
-                <manvolnum>1</manvolnum>
+                <manvolnum>8</manvolnum>
         </refmeta>
         <refnamediv>
                 <refname>systemd-socket-proxyd</refname>