fixed a bug about balance addition to the first point
fixed a bug about balance addition to the first point

git-svn-id: d766b2a131eb5d649bacb6a45bc0bcd899bdfdb3@686 c938ebee-df10-0410-95fc-be8c4b0ebdd5

upinetree/kozuchi,yakitorii/kozuchi,upinetree/kozuchi,ymmtmsys/kozuchi,ymmtmsys/kozuchi,yakitorii/kozuchi,everyleaf/kozuchi,everyleaf/kozuchi,hdyk3118/kozuchi,everyleaf/kozuchi,hdyk3118/kozuchi,ayumin/kozuchi,ayumin/kozuchi