Add const qualifier to pointer variables in local scope part6

ローカルのポインター変数にconstを付けられるとcppcheckに指摘されたため修正します。

cppcheck 2.11.1のレポート

src/bbslist/bbslistadmin.cpp:262:22: style: Variable 'view' can be declared as pointer to const [constVariablePointer]
    BBSListViewBase* view = dynamic_cast< BBSListViewBase* >( get_view( url ) );
                     ^
src/board/boardviewbase.cpp:1888:30: style: Variable 'art' can be declared as pointer to const [constVariablePointer]
        DBTREE::ArticleBase* art = row[ m_columns.m_col_article ];
                             ^
src/dndmanager.cpp:43:24: style: Variable 'manager' can be declared as pointer to const [constVariablePointer]
    CORE::DND_Manager* manager = CORE::get_dnd_manager();
                       ^

JDimproved / JDim

Add const qualifier to pointer variables in local scope part6 #1248