maint: Use Octave coding conventions for cuddling parentheses in src/ directory * bitfcns.cc, comment-list.cc, data.cc, defun.cc, error.cc, gl-render.cc, graphics.cc, graphics.in.h, load-path.cc, load-path.h, load-save.cc, ls-hdf5.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-ascii.cc, mappers.cc, mex.cc, oct-map.cc, oct-obj.cc, ov-base-int.cc, ov-base-mat.h, ov-base-sparse.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-cell.cc, ov-class.cc, ov-complex.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.cc, ov.cc, pr-output.cc, procstream.h, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, symtab.cc, syscalls.cc, sysdep.cc, txt-eng-ft.cc, variables.cc, zfstream.cc, zfstream.h: Use Octave coding conventions for cuddling parentheses.

--- a/src/ov-struct.cc
+++ b/src/ov-struct.cc
@@ -2000,11 +2000,11 @@
 %!test
 %! x(3).d=1;  x(2).a=2;  x(1).b=3;  x(2).c=3;
 %! assert (isfield (x, "b"));
-%!assert (isfield (struct("a", "1"), "a"))
+%!assert (isfield (struct ("a", "1"), "a"))
 %!assert (isfield ({1}, "c"), false)
-%!assert (isfield (struct("a", "1"), 10), false)
-%!assert (isfield (struct("a", "b"), "a "), false)
-%!assert (isfield (struct("a", 1, "b", 2), {"a", "c"}), [true, false])
+%!assert (isfield (struct ("a", "1"), 10), false)
+%!assert (isfield (struct ("a", "b"), "a "), false)
+%!assert (isfield (struct ("a", 1, "b", 2), {"a", "c"}), [true, false])
 */
 
 DEFUN (cell2struct, args, ,