Improve Octave compatibility

Rivers/create_runoff.m

@@ -28,7 +28,7 @@ function  create_runoff(runoffname,grdname,title,...
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 nw=netcdf(runoffname,'clobber');
-result = redef(nw);
+%%%result = redef(nw);
 
 
 %
@@ -94,7 +94,7 @@ if psource_ncfile_ts
         nw{'NO3_src'}.units = ncchar('mmol.s-1');
     end
 end
-result = endef(nw);
+%%%result = endef(nw);
 
 %
 % Create global attributes
@@ -122,4 +122,4 @@ for k=1:rivernumber
     nw{'runoff_name'}(k,:) = rivername(k,:);
 end
 %
-close (nw)
\ No newline at end of file
+close(nw)