unix_wat.diff

diff --git a/vm/environment.cpp b/vm/environment.cpp
index 9d36a65..e9430fd 100644
--- a/vm/environment.cpp
+++ b/vm/environment.cpp
@@ -321,7 +321,8 @@ namespace rubinius {
       if(cpath[cpath.size() - 1] != '/') path << "/";
     }
 
-    path << "rbx-" << getlogin() << "-" << getpid();
+    path << "rbx-" << (getlogin() || "ghostchild") << "-" << getpid();
+
     shared->fsapi_path.assign(path.str());
 
     create_fsapi(state);