Use correct init.d dir on HP-UX.

Fix pp warnings from rc.d and init.d dirs.

sudo.pp

@@ -292,9 +292,16 @@ still allow people to get their work done."
 	/usr/sbin/visudo    	0755 root: symlink $sbindir/visudo
 %endif
 %if [aix]
+	/etc/rc.d/		ignore
+	/etc/rc.d/rc2.d/	ignore
+	/etc/rc.d/rc2.d/**	ignore
+	/etc/rc.d/init.d/	ignore
 	/etc/rc.d/init.d/sudo	0755 root:
 %endif
 %if [sd]
+	/sbin/rc2.d/		ignore
+	/sbin/rc2.d/**		ignore
+	/sbin/init.d/		ignore
 	/sbin/init.d/sudo	0755 root:
 %endif
 
@@ -377,12 +384,12 @@ still allow people to get their work done."
 		rm -f /etc/rc.d/rc2.d/S90sudo
 		ln -s /etc/rc.d/init.d/sudo /etc/rc.d/rc2.d/S90sudo
 	fi
-%endif
+
 %post [sd]
 	# Create /sbin/rc2.d/S900sudo link
 	rm -f /sbin/rc2.d/S900sudo
 	ln -s /sbin/init.d/sudo /sbin/rc2.d/S900sudo
-%endif
+
 %preun
 	# Remove the time stamp dir and its contents
 	# We currently leave the lecture status files installed