'Return the vuln type for the given function name `fname`. Return None
if no vuln type is associated.
:param fname: Function name'

@staticmethod
def get_vulnty_for(fname):

    for (vulnty, pvfnames) in FuncCall.PVFDB.iteritems():
        if any(((fname == pvfn) for pvfn in pvfnames)):
            return vulnty
    return None
