Fix assertion error reported in bug #53.
Fix assertion error reported in bug #53.

tarantool/luarocks,xpol/luavm,rrthomas/luarocks,starius/luarocks,xiaq/luarocks,xpol/luavm,tst2005/luarocks,robooo/luarocks,rrthomas/luarocks,xpol/luarocks,usstwxy/luarocks,robooo/luarocks,keplerproject/luarocks,keplerproject/luarocks,luarocks/luarocks,xiaq/luarocks,ignacio/luarocks,xpol/luainstaller,usstwxy/luarocks,leafo/luarocks,aryajur/luarocks,xpol/luavm,tarantool/luarocks,robooo/luarocks,aryajur/luarocks,tarantool/luarocks,rrthomas/luarocks,ignacio/luarocks,starius/luarocks,coderstudy/luarocks,lxbgit/luarocks,xiaq/luarocks,robooo/luarocks,lxbgit/luarocks,leafo/luarocks,xpol/luainstaller,leafo/luarocks,lxbgit/luarocks,xpol/luarocks,luarocks/luarocks,keplerproject/luarocks,xpol/luarocks,xpol/luavm,aryajur/luarocks,coderstudy/luarocks,starius/luarocks,luarocks/luarocks,keplerproject/luarocks,usstwxy/luarocks,lxbgit/luarocks,usstwxy/luarocks,xpol/luainstaller,rrthomas/luarocks,xpol/luavm,xiaq/luarocks,tst2005/luarocks,coderstudy/luarocks,starius/luarocks,coderstudy/luarocks,xpol/luainstaller,xpol/luarocks,ignacio/luarocks,ignacio/luarocks,tst2005/luarocks,tst2005/luarocks,aryajur/luarocks