Fix infinite loop from empty password#1
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alexk-etsy wants to merge 1 commit intoAlexRRR:masterfrom
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If you use xor 'encryption' but have an empty password the client ends up in an infinite loop. This change skips the entire key repetition + xoring step if the key is empty.
For reference, this behavior is supported by the official send_nsca client (see utils.c)