loplugin:unusedfields - look for fields that can be const, in comphelper

idea from tml.

Extend the unusedfields plugin to find fields that are only assigned in
the constructor.

Change-Id: I258d3581afbe651d53ce730c9ba27a4598cd9248
Reviewed-on: https://gerrit.libreoffice.org/57733
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/comphelper/ChainablePropertySet.hxx b/include/comphelper/ChainablePropertySet.hxx
index a306850caf18..e048883ada7c 100644
--- a/include/comphelper/ChainablePropertySet.hxx
+++ b/include/comphelper/ChainablePropertySet.hxx
@@ -68,7 +68,7 @@ namespace comphelper
     {
         friend class MasterPropertySet;
     protected:
-        SolarMutex* mpMutex;
+        SolarMutex* const mpMutex;
         rtl::Reference < ChainablePropertySetInfo > mxInfo;
 
         /// @throws css::beans::UnknownPropertyException