[bug] enable sizing field based refinement

Author: fangq

meshrefine.m

@@ -148,13 +148,13 @@
         fprintf(fid, '%d 1\n', size(sizefield, 1));
         fprintf(fid, '%.16f\n', sizefield);
         fclose(fid);
-        moreopt = [moreopt ' -qa '];
+        moreopt = [moreopt ' -qma '];
     else
         fid = fopen(mwpath('pre_refine.1.vol'), 'wt');
         fprintf(fid, '%d\n', size(sizefield, 1));
         fprintf(fid, '%d\t%.16f\n', [(1:size(sizefield, 1))' sizefield]');
         fclose(fid);
-        moreopt = [moreopt ' -qa '];
+        moreopt = [moreopt ' -qma '];
     end
 end