transport: drop "int cmp = cmp" hack
According to 47ec7943, this initialization is meant to squelch an erroneous uninitialized variable warning from gcc 4.0.1. That version is quite old at this point, and gcc 4.1 and up handle it fine, with one exception. There seems to be a regression in gcc 4.6.3, which produces the warning; however, gcc versions 4.4.7 and 4.7.2 do not. Signed-off-by: NJeff King <peff@peff.net> Reviewed-by: NJonathan Nieder <jrnieder@gmail.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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