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r3347 | terminx | 2012-12-30 12:34:55 -0800 (Sun, 30 Dec 2012) | 1 line

Clean up a couple of other getrendermode() related bits that the previous commit missed
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r3346 | terminx | 2012-12-30 12:34:34 -0800 (Sun, 30 Dec 2012) | 1 line

Add predefined REND_CLASSIC, REND_POLYMOST and REND_POLYMER constants and use them everywhere getrendermode() is called.
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