expTable array initialization

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In the end of word2vec.c there's "malloc" of size EXP_TABLE_SIZE + 1

But the next "for" loop is for(i=0; i < EXP_TABLE_SIZE; ++i)

That means, expTable[EXP_TABLE_SIZE] is uninitialized.

As the result - we can see different program output on the same input data.

Original issue reported on code.google.com by [e-mail] on 1 Dec 2014 at 7:11