receive-pack: call setup_ident before git_config
receive-pack: call setup_ident before git_config

Otherwise we would end up getting values from Gecos which is often not
what people would want.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git