fixed bug with parallel clusters with octave

matlab/parallel/dynareParallelDir.m

@@ -73,10 +73,11 @@ for indPC=1:length(Parallel),
             if isempty(ax0),
                 ax='';
             else
+                clear ax1;
                 for jax=1:length(ax0);
-                    ax{jax}=ax0(jax).name;
+                    ax1{jax}=ax0(jax).name;
                 end
-                ax=char(ax{:});
+                ax=char(ax1{:});
             end
 
         else