Fix variable shadowing in qt/sendcoinsentry.cpp
Fix variable shadowing in qt/sendcoinsentry.cpp

qt/sendcoinsentry.cpp:80:44: warning: declaration shadows a field of 'SendCoinsEntry' [-Wshadow]
void SendCoinsEntry::setModel(WalletModel *model)
                                           ^
./qt/sendcoinsentry.h:69:18: note: previous declaration is here
    WalletModel *model;
                 ^

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