loplugin:constparam in xmloff

Change-Id: I24c536279c5b02b32d564893793fa15672c6f73c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/183288
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/xmloff/txtimp.hxx

@@ -168,7 +168,7 @@ public:
     // Add parameter <bOutlineLevelAttrFound> (#i73509#)
     // Add parameter <bSetListAttrs> in order to suppress the handling of the list attributes (#i80724#)
     OUString SetStyleAndAttrs(
-            SvXMLImport & rImport,
+            const SvXMLImport & rImport,
             const css::uno::Reference< css::text::XTextCursor >& rCursor,
             const OUString& rStyleName,
             bool bPara,

xmloff/inc/XMLThemeContext.hxx

@@ -61,7 +61,7 @@ class XMLColorContext : public SvXMLImportContext
 public:
     XMLColorContext(SvXMLImport& rImport,
                     css::uno::Reference<css::xml::sax::XFastAttributeList> const& xAttrList,
-                    std::shared_ptr<model::ColorSet>& rpColorSet);
+                    const std::shared_ptr<model::ColorSet>& rpColorSet);
 };
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

xmloff/source/style/XMLThemeContext.cxx

@@ -107,7 +107,7 @@ uno::Reference<xml::sax::XFastContextHandler>
 
 XMLColorContext::XMLColorContext(SvXMLImport& rImport,
                                  const uno::Reference<xml::sax::XFastAttributeList>& xAttrList,
-                                 std::shared_ptr<model::ColorSet>& rpColorSet)
+                                 const std::shared_ptr<model::ColorSet>& rpColorSet)
     : SvXMLImportContext(rImport)
 {
     OUString aName;

xmloff/source/text/txtimp.cxx

@@ -1003,7 +1003,7 @@ static bool lcl_HasListStyle( const OUString& sStyleName,
 }
 
 OUString XMLTextImportHelper::SetStyleAndAttrs(
-        SvXMLImport & rImport,
+        const SvXMLImport & rImport,
         const Reference < XTextCursor >& rCursor,
         const OUString& rStyleName,
         bool bPara,