oox: fix inconsistent param naming in interface/implementation

Make sure they match.

Change-Id: Ib3ce948a29472281705e361792c924893ad97b32
Reviewed-on: https://gerrit.libreoffice.org/40259Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>

oox/source/shape/LockedCanvasContext.cxx

@@ -27,9 +27,9 @@ LockedCanvasContext::LockedCanvasContext(ContextHandler2Helper& rParent)
 
 LockedCanvasContext::~LockedCanvasContext() = default;
 
-::oox::core::ContextHandlerRef LockedCanvasContext::onCreateContext(sal_Int32 aElementToken, const ::oox::AttributeList& /*rAttribs*/)
+::oox::core::ContextHandlerRef LockedCanvasContext::onCreateContext(sal_Int32 nElementToken, const ::oox::AttributeList& /*rAttribs*/)
 {
-    switch (getBaseToken(aElementToken))
+    switch (getBaseToken(nElementToken))
     {
     case XML_lockedCanvas:
         break;
@@ -52,7 +52,7 @@ LockedCanvasContext::~LockedCanvasContext() = default;
         return new oox::drawingml::ShapeGroupContext(*this, pMasterShape, mpShape);
     }
     default:
-        SAL_WARN("oox", "LockedCanvasContext::createFastChildContext: unhandled element:" << getBaseToken(aElementToken));
+        SAL_WARN("oox", "LockedCanvasContext::createFastChildContext: unhandled element:" << getBaseToken(nElementToken));
         break;
     }
     return nullptr;

oox/source/shape/LockedCanvasContext.hxx

@@ -25,7 +25,7 @@ public:
     explicit LockedCanvasContext(oox::core::ContextHandler2Helper& rParent);
     ~LockedCanvasContext() override;
 
-    oox::core::ContextHandlerRef onCreateContext(sal_Int32 Element, const ::oox::AttributeList& rAttribs) override;
+    oox::core::ContextHandlerRef onCreateContext(sal_Int32 nElementToken, const ::oox::AttributeList& rAttribs) override;
 
     const oox::drawingml::ShapePtr& getShape() const
     {