Build failure on Mac platform

[cschol]

[FrozenWasteland] Building plugin on platform mac...                                                                                                                                                                                                            
src/PortlandWeather.cpp:232:37: error: type 'float' cannot be narrowed to 'bool' in initializer list [-Wc++11-narrowing]                                                                                                                                                                                              
        bool expanderMuteTaps[NUM_TAPS] = {0.0f};                                                                                                                                                                                                                                                                     
                                           ^~~~                                                                                                                                                                                                                                                                       
src/PortlandWeather.cpp:232:37: note: insert an explicit cast to silence this issue                                                                                                                                                                                                                                   
        bool expanderMuteTaps[NUM_TAPS] = {0.0f};                                                                                                                                                                                                                                                                     
                                           ^~~~                                                                                                                                                                                                                                                                       
                                           static_cast<bool>( )                                                                                                                                                                                                                                                       
1 error generated.                                                                                                                                                                                                                                                                                                    
make: *** [build/src/PortlandWeather.cpp.o] Error 1                                                                                                                                                                                                                                                                   
make: *** Waiting for unfinished jobs....                                                                                                                                                                                                                                                                             
FAILED