maint: miscellaneous style fixes for .m files * audio/mu2lin.m, deprecated/cut.m, general/cplxpair.m, general/genvarname.m, geometry/rectint.m, help/gen_doc_cache.m, image/hsv2rgb.m, image/rainbow.m, io/textscan.m, miscellaneous/bzip2.m, miscellaneous/compare_versions.m, miscellaneous/fact.m, miscellaneous/menu.m, optimization/fminbnd.m, optimization/fminunc.m, optimization/fzero.m, optimization/sqp.m, plot/__gnuplot_drawnow__.m, plot/axis.m, plot/findobj.m, plot/legend.m, plot/peaks.m, plot/private/__errplot__.m, plot/private/__fltk_print__.m, plot/private/__go_draw_axes__.m, plot/private/__patch__.m, polynomial/pchip.m, polynomial/residue.m, signal/periodogram.m, sparse/sprandsym.m, statistics/base/moment.m, statistics/distributions/expcdf.m, statistics/distributions/expinv.m, statistics/distributions/exppdf.m, statistics/tests/prop_test_2.m, statistics/tests/sign_test.m, statistics/tests/t_test.m, statistics/tests/t_test_2.m, statistics/tests/t_test_regression.m, strings/regexptranslate.m, time/datetick.m: Style fixes.

--- a/scripts/polynomial/residue.m	Wed Apr 11 19:34:53 2012 -0400
+++ b/scripts/polynomial/residue.m	Wed Apr 11 22:07:00 2012 -0400
@@ -285,7 +285,7 @@
     k = [];
   endif
 
-  if numel (e)
+  if (numel (e))
     indx = 1:numel(p);
   else
     [e, indx] = mpoles (p, toler, 0);
@@ -297,7 +297,7 @@
 
   for n = indx
     pn = [1, -p(n)];
-    if n == 1
+    if (n == 1)
       pden = pn;
     else
       pden = conv (pden, pn);