Prevent warning for index larger than pallet size #168
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PHP throws a "Warning: imagecolorsforindex(): Color index ... out of range in..." if the index returned by imagecolortransparent() is larger than the pallet size of the image in question. See https://stackoverflow.com/a/3898007 Fixes symphonycms#165
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PHP throws a "Warning: imagecolorsforindex(): Color index ... out of range in..." if the index returned by imagecolortransparent() is larger than the pallet size of the image in question.
See https://stackoverflow.com/a/3898007
Fixes #165