pkgbuild: add missing deps for libs,mgr

Missed from the src ceph PKGBUILD somewhere along the way, added now.

Issue: https://github.com/bazaah/aur-ceph/issues/7
Reported-by: aur.archlinux.org/account/antage

.SRCINFO

@@ -68,6 +68,7 @@ pkgname = ceph-libs-bin
 	depends = librdkafka
 	depends = libaio
 	depends = gperftools
+	depends = librabbitmq-c
 	depends = python-prettytable
 	depends = python-yaml
 	depends = python-setuptools
@@ -88,6 +89,7 @@ pkgname = ceph-mgr-bin
 	depends = python-pecan
 	depends = python-pyjwt
 	depends = python-more-itertools
+	depends = python-routes
 	depends = python-numpy
 	depends = python-scipy
 	depends = python-six