maint: Add semicolons to terminate code in %! blocks. * splineimages.m, Cell.cc, bsxfun.cc, cellfun.cc, conv2.cc, data.cc, debug.cc, file-io.cc, gcd.cc, getrusage.cc, graphics.cc, kron.cc, mappers.cc, oct-map.cc, ordschur.cc, psi.cc, rand.cc, variables.cc, __osmesa_print__.cc, amd.cc, audiodevinfo.cc, dmperm.cc, qr.cc, ov-bool-mat.cc, ov-class.cc, ov-fcn-handle.cc, ov-java.cc, oct-parse.in.yy, bicubic.m, delaunay3.m, accumarray.m, flip.m, fliplr.m, flipud.m, gradient.m, inputParser.m, interp1.m, narginchk.m, rot90.m, validateattributes.m, delaunay.m, delaunayn.m, griddata3.m, inpolygon.m, waitbar.m, gray2ind.m, hsv2rgb.m, im2double.m, image.m, imformats.m, imread.m, imshow.m, imwrite.m, ntsc2rgb.m, rgb2hsv.m, rgb2ntsc.m, isbanded.m, onenormest.m, edit.m, fullfile.m, license.m, ode23.m, ode45.m, glpk.m, annotation.m, legend.m, orient.m, text.m, area.m, barh.m, contour.m, line.m, plot.m, plot3.m, plotyy.m, quiver.m, stem.m, clf.m, copyobj.m, findobj.m, subplot.m, ppval.m, splinefit.m, ismember.m, freqz.m, unwrap.m, eigs.m, ichol.m, pcg.m, spdiags.m, svds.m, magic.m, lscov.m, median.m, ols.m, dec2base.m, strsplit.m, strtok.m, test.m, bug-31371.tst, bug-36025.tst, bug-44940.tst, build-sparse-tests.sh, class-concat.tst, classdef.tst, classes.tst, colormaps.tst, command.tst, ctor-vs-method.tst, error.tst, fcn-handle-derived-resolution.tst, for.tst, index.tst, io.tst, jit.tst, null-assign.tst, parser.tst, struct.tst, system.tst: Add semicolons to terminate code in %! blocks.

--- a/scripts/image/imformats.m	Fri Apr 01 14:56:52 2016 -0700
+++ b/scripts/image/imformats.m	Fri Apr 01 16:03:29 2016 -0700
@@ -318,15 +318,15 @@
 ## This must work, even without support for image IO
 %!test
 %! formats = imformats ();
-%! assert (isstruct (formats))
+%! assert (isstruct (formats));
 %!
 %! min_fields = {"ext", "read", "isa", "write", "info", "alpha", "description"};
-%! assert (all (ismember (min_fields, fieldnames (formats))))
+%! assert (all (ismember (min_fields, fieldnames (formats))));
 %!
 %! if (__have_feature__ ("MAGICK"))
-%!   assert (numel (formats) > 0)
+%!   assert (numel (formats) > 0);
 %! else
-%!   assert (numel (formats), 0)
+%!   assert (numel (formats), 0);
 %! endif
 
 ## When imread or imfinfo are called, the file must exist or the