fixed bug that caused processInqPromt() to abort cdo when no processes where created yet

src/process_int.cc

@@ -403,8 +403,12 @@ const char *
 processInqPrompt(void)
 {
 
-  ProcessType &process = processSelf();
-  return process.inqPrompt();
+  if (g_processManager.processNums() > 0)
+    {
+      ProcessType &process = processSelf();
+      return process.inqPrompt();
+    }
+  return Cdo::progname;
 }
 
 extern "C"