Added bit-depth to GetMagickProperty.
Added bit-depth to GetMagickProperty.

UniQP/ImageMagick,kwm81/ImageMagick,Danack/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,UniQP/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,Danack/ImageMagick,UniQP/ImageMagick,kwm81/ImageMagick,kwm81/ImageMagick,kwm81/ImageMagick,kwm81/ImageMagick,UniQP/ImageMagick,kwm81/ImageMagick