Fix trailing space in dep.show_dep on dep without constraints
Fix trailing space in dep.show_dep on dep without constraints

xpol/luarocks,robooo/luarocks,tarantool/luarocks,xpol/luavm,xpol/luarocks,xpol/luainstaller,tarantool/luarocks,luarocks/luarocks,luarocks/luarocks,keplerproject/luarocks,xpol/luarocks,xpol/luavm,robooo/luarocks,tarantool/luarocks,xpol/luavm,keplerproject/luarocks,xpol/luavm,xpol/luavm,keplerproject/luarocks,xpol/luainstaller,xpol/luainstaller,keplerproject/luarocks,luarocks/luarocks,xpol/luarocks,robooo/luarocks,robooo/luarocks,xpol/luainstaller