Implementations error

[ashwin-git-s]

This line if code checks only the right child colour. It should check the left child as well.

algorithmtutorprograms/data-structures/red-black-trees/RedBlackTree.cpp

Line 115 in 705130f

if (s->right->color == 0 && s->right->color == 0) {

[elor]

This fixes a rare segfault during deleteNode (~1 in 10,000 deletions).

Thanks!