const_cast: convert some C-style casts and remove some redundant ones

Change-Id: Ifbe12a569a964203b07b47da5207ab0ffe00d4aa

stoc/source/inspect/introspection.cxx

@@ -275,7 +275,7 @@ IntrospectionAccessStatic_Impl::IntrospectionAccessStatic_Impl( Reference< XIdlR
 sal_Int32 IntrospectionAccessStatic_Impl::getPropertyIndex( const OUString& aPropertyName ) const
 {
     sal_Int32 iHashResult = -1;
-    IntrospectionAccessStatic_Impl* pThis = (IntrospectionAccessStatic_Impl*)this;
+    IntrospectionAccessStatic_Impl* pThis = const_cast<IntrospectionAccessStatic_Impl*>(this);
     IntrospectionNameMap::iterator aIt = pThis->maPropertyNameMap.find( aPropertyName );
     if( !( aIt == pThis->maPropertyNameMap.end() ) )
         iHashResult = (*aIt).second;
@@ -285,7 +285,7 @@ sal_Int32 IntrospectionAccessStatic_Impl::getPropertyIndex( const OUString& aPro
 sal_Int32 IntrospectionAccessStatic_Impl::getMethodIndex( const OUString& aMethodName ) const
 {
     sal_Int32 iHashResult = -1;
-    IntrospectionAccessStatic_Impl* pThis = (IntrospectionAccessStatic_Impl*)this;
+    IntrospectionAccessStatic_Impl* pThis = const_cast<IntrospectionAccessStatic_Impl*>(this);
     IntrospectionNameMap::iterator aIt = pThis->maMethodNameMap.find( aMethodName );
     if( !( aIt == pThis->maMethodNameMap.end() ) )
     {

stoc/source/javavm/javavm.cxx

@@ -731,7 +731,7 @@ JavaVirtualMachine::getJavaVM(css::uno::Sequence< sal_Int8 > const & rProcessId)
             else
                 arPropStrings[index] = sOption;
 
-            arOptions[index].optionString = (sal_Char*)arPropStrings[index].getStr();
+            arOptions[index].optionString = const_cast<sal_Char*>(arPropStrings[index].getStr());
             arOptions[index].extraInfo = 0;
             index ++;
         }