loplugin:passstuffbyref improved return in canvas and svtools

and for now, ignore methods with params so we don't fall into the trap
of thinking that calls to methods like:
Bar& foo(Bar &p) { return p; }
can be converted from
Bar f() { return foo(Bar()); }
to
Bar const & f() { return foo(Bar()); }

Change-Id: Ia3795eb2baf353cb6bec4ebf40451f2789d66ad7
Reviewed-on: https://gerrit.libreoffice.org/47034
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/svtools/hyperlabel.hxx b/include/svtools/hyperlabel.hxx
index 605d65dc4443..e7bc9d6c30b5 100644
--- a/include/svtools/hyperlabel.hxx
+++ b/include/svtools/hyperlabel.hxx
@@ -69,7 +69,7 @@ namespace svt
 
         void                SetClickHdl( const Link<HyperLabel*,void>& rLink ) { maClickHdl = rLink; }
 
-        Size                CalcMinimumSize( long nMaxWidth ) const;
+        Size const &        CalcMinimumSize( long nMaxWidth ) const;
     };
 }