pass save_as_floats by value in octave_value save_binary functions * ov.h (octave_value::save_binary): Pass save_as_floats parameter by value. * ov-base.h, ov-base.cc (octave_base_value::save_binary): Likewise. * ov-base-int.cc, ov-base-int.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h, ov-cell.cc, ov-cell.h, ov-class.cc, ov-class.h, ov-complex.cc, ov-complex.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn-inline.cc, ov-fcn-inline.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-lazy-idx.h, ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h: Pass save_as_floats parameter by value in all classes derived from octave_base_value.

--- a/libinterp/octave-value/ov-oncleanup.cc	Thu Jan 03 10:16:26 2019 -0500
+++ b/libinterp/octave-value/ov-oncleanup.cc	Thu Jan 03 09:36:00 2019 -0500
@@ -134,7 +134,7 @@
 
 bool
 octave_oncleanup::save_binary (std::ostream& /* os */,
-                               bool& /* save_as_floats */)
+                               bool /* save_as_floats */)
 {
   warning ("save: unable to save onCleanup variables, skipping");