spell_direction() that were used for direction() before.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6209 c06c8d41-db1a-0410-9941-cceddc491573
2AZDBJ4WJ3RB2XPEQMY37YZTHYUB36D36OC2U75LLD36FRJWOB7QC
UDPTU4OERZ3DTU3KVJZWF2R22QEKLZTSBAWFHBIM46A6T3UH2BJAC
MPQIZUHUAHOF2CKNTLSYCGMR7FIC3EPA2RHZIY6JOQKAS6H6YY4AC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
QDBILCQHREAKSVXBJJGE2EPNR4ATTQWUZMV7BLJYZWWUI737TSKQC
spd.isValid = spell_direction(spd, beam);
{ spd.isValid = spell_direction(spd, beam, DIR_TARGET, TARG_FRIEND, true, "Heal whom?"); }
{
spd.isValid = spell_direction(spd, beam, DIR_TARGET,
TARG_FRIEND, true, "Heal whom?");
}