cdiStreamSetupVlist: added call to vlist_unlock(vlistID) (bug fix)

ChangeLog

@@ -2,6 +2,10 @@
 
 	* Version 1.7.0 released
 
+2015-08-07  Uwe Schulzweida
+
+	* cdiStreamSetupVlist: added call to vlist_unlock(vlistID) (bug fix)
+
 2015-06-16  Uwe Schulzweida
 
 	* merge changes from branches/cdi-tiles [from Florian Prill]

src/stream.c

@@ -2169,6 +2169,9 @@ void cdiStreamSetupVlist(stream_t *streamptr, int vlistID, int vlistIDorig)
   /* increase lock counter of the original vlist by 1 */
   if ( CDI_Debug ) Message("attach vlist=%d to stream, stream vlist=%d", vlistIDorig, vlistID);
   vlist_lock(vlistIDorig);
+  vlist_unlock(vlistID); // why is this vlistID sometimes locked?
+                         // without this line "cdo splitmon" gives
+                         // Destroying of a locked object (vlistID=xx) failed
 
   for (int varID = 0; varID < nvars; varID++ )
     {