Don gather results for unallocated api's

ndb/test/run-test/main.cpp

@@ -938,10 +938,12 @@ gather_result(atrt_config& config, int * result){
   BaseString tmp = g_gather_progname;
   for(size_t i = 0; i<config.m_processes.size(); i++){
     atrt_process & proc = config.m_processes[i]; 
+    if(proc.m_proc.m_path != ""){
       tmp.appfmt(" %s:%s", 
 		 proc.m_hostname.c_str(),
 		 proc.m_proc.m_cwd.c_str());
     }
+  }
   
   const int r1 = system(tmp.c_str());
   if(r1 != 0){