debian: Fix dpkg-shlibdeps warning

Signed-off-by: Helge Deller <deller@gmx.de>

debian/rules

diff --git a/debian/rules b/debian/rules
index 0e9331d..b187ff4 100755
--- a/debian/rules
+++ b/debian/rules
@@ -82,7 +82,7 @@
 	install -o root -g root -m 0755 debian/postinst debian/prerm debian/postrm \
 	  ${BASEDIR}/DEBIAN	
 	install -d ${BASEDIR}/var/lib/rbootd
-	dpkg-shlibdeps rbootd
+	dpkg-shlibdeps ${BASEDIR}/usr/sbin/rbootd
 	dpkg-gencontrol
 	chown -R root.root debian/tmp
 	chmod -R go-ws debian/tmp