SSH2: Blowfish: typo... block_size adjustment
SSH2: Blowfish: typo... block_size adjustment

Changed: Blowfish block_size = 8
re: https://github.com/phpseclib/phpseclib/pull/100
phpseclib/phpseclib,paragonie-scott/phpseclib,creatuity/phpseclib,splitice/phpseclib,melya/phpseclib,phpseclib/phpseclib-php5,metaclassing/phpseclib,melya/phpseclib,danog/phpseclib,splitice/phpseclib,thaigialai1987/phpseclib,metaclassing/phpseclib,danog/phpseclib,terrafrost/phpseclib,kenichiii/phpseclib,creatuity/phpseclib,thaigialai1987/phpseclib,phpseclib/phpseclib-php5,kenichiii/phpseclib,paragonie-scott/phpseclib