Add dependency on network configuration files used by `socket` module

Use strong dependency on `netbase` for Debian and weak dependencies on
/etc/protocols and /etc/services files for RPM.

Thanks to Ivan Kosenko

Closes #1794

debian/changelog

+tarantool (1.6.9.6.g660e882-1) unstable; urgency=medium
+
+  * Add dependency on network configuration files used by `socket` module
+
+ -- Roman Tsisyk <roman@tarantool.org>  Wed, 28 Sep 2016 14:23:42 +0300
+
 tarantool (1.6.9.1.g3a3f705-1) unstable; urgency=medium
 
   * Tab-based autocompletion in the interactive console

debian/control

@@ -53,8 +53,8 @@ Description: Tarantool in-memory database - common files
 Package: tarantool
 Architecture: i386 amd64 armhf arm64
 Priority: optional
-Depends: ${shlibs:Depends}, ${misc:Depends}, binutils, libgomp1, libyaml-0-2,
- openssl, tarantool-common (>= 1.6.9)
+Depends: ${shlibs:Depends}, ${misc:Depends}, netbase, binutils, libgomp1,
+ libyaml-0-2, openssl, tarantool-common (>= 1.6.9)
 Replaces: tarantool-lts
 Conflicts: tarantool-lts-common,
  tarantool-lts,

rpm/tarantool.spec

@@ -69,6 +69,10 @@ License: BSD
 Provides: tarantool-debuginfo = %{version}-%{release}
 Provides: tarantool-common = %{version}-%{release}
 Obsoletes: tarantool-common < 1.6.8.434-1
+# Recommend network configuration files used by `socket` module
+# https://github.com/tarantool/tarantool/issues/1794
+Recommends: /etc/protocols
+Recommends: /etc/services
 URL: http://tarantool.org
 Source0: http://download.tarantool.org/tarantool/1.6/src/tarantool-%{version}.tar.gz
 %description
@@ -200,6 +204,9 @@ chkconfig --del tarantool
 %{_includedir}/tarantool/module.h
 
 %changelog
+* Wed Sep 28 2016 Roman Tsisyk <roman@tarantool.org> 1.6.9.6-1
+ - Recommend network configuration files used by `socket` module
+
 * Mon Sep 26 2016 Roman Tsisyk <roman@tarantool.org> 1.6.9.1-1
  - Tab-based autocompletion in the interactive console
  - LUA_PATH and LUA_CPATH environment variables taken into account
@@ -208,7 +215,7 @@ chkconfig --del tarantool
  - Bugs fixed:
    https://github.com/tarantool/tarantool/issues?q=milestone%3A1.6.9+is%3Aclosed
 
-* Tue Sep 01 2016 Roman Tsisyk <roman@tarantool.org> 1.6.8.762-1
+* Thu Sep 01 2016 Roman Tsisyk <roman@tarantool.org> 1.6.8.762-1
 - Add support for OpenSSL 1.1
 
 * Tue Feb 09 2016 Roman Tsisyk <roman@tarantool.org> 1.6.8.462-1