- fixed crash if proxy-core.protocol is set not in the same conditional   as proxy-core.backends (fixes #1126) - send 500 if proxy-core.protocol is not set at all, but   proxy-core.backends is set 
- fixed crash if proxy-core.protocol is set not in the same conditional
  as proxy-core.backends (fixes #1126)
- send 500 if proxy-core.protocol is not set at all, but
  proxy-core.backends is set 


git-svn-id: e98c317c6679dcf055eb388f05b44c3a6d6b38c6@1784 152afb58-edef-0310-8abb-c4023f1b3aa9

pinkflozd/lighttpd,ctdk/lighttpd-1.5-ct,ctdk/lighttpd-1.5-ct,pinkflozd/lighttpd,Fumon/lighttpd-Basic-auth-hack,pinkflozd/lighttpd,Fumon/lighttpd-Basic-auth-hack,Fumon/lighttpd-Basic-auth-hack,pinkflozd/lighttpd,ctdk/lighttpd-1.5-ct,ctdk/lighttpd-1.5-ct,Fumon/lighttpd-Basic-auth-hack