maint: Remove useless ';' from end of for, if, while, etc. statements. * circshift.m, sortrows.m, setappdata.m, krylov.m, edit.m, fact.m, odemergeopts.m, load_packages_and_dependencies.m, hidden.m, whitebg.m, area.m, comet.m, comet3.m, __stem__.m, __actual_axis_position__.m, __gnuplot_draw_axes__.m, subplot.m, ppjumps.m, ppval.m, arch_fit.m, autoreg_matrix.m, fftfilt.m, periodogram.m, betaincinv.m, cosint.m, discrete_cdf.m, discrete_inv.m, iqr.m: Remove useless ';' from end of for, if, while, etc. statements.

--- a/scripts/general/sortrows.m	Wed Dec 19 15:33:31 2018 -0800
+++ b/scripts/general/sortrows.m	Wed Dec 19 16:01:32 2018 -0800
@@ -114,7 +114,7 @@
   indices = flipud (indices);
   mode = flipud (mode');
   i = [1:rows(m)]';
-  for j = 1:length (indices);
+  for j = 1:length (indices)
     M = m(i, indices(j));
     if (iscell (M) && ! iscellstr (M))
       M = cell2mat (M);