shouldn't get the "Breathe Flames" mutation, and green draconians shouldn't get the "Spit Poison" mutation, since their breathing poison supersedes that.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6857 c06c8d41-db1a-0410-9941-cceddc491573
ZOO5DQ2OLM56HTLQTLEXHHMIPUVYXS42U6F75JFUQ76ALO2WYRMQC
// Red Draconians can already breathe flames.
if (mutat == MUT_BREATHE_FLAMES && you.species == SP_RED_DRACONIAN)
return (false);
// Green Draconians can already breathe poison, so they don't need
// to spit it.
if (mutat == MUT_SPIT_POISON && you.species == SP_GREEN_DRACONIAN)
return (false);