Bug report for auto config

[john.2.tomlinson]

I am getting this message so I am doing as requested.

grommit on johnt(601)$ configure --prefix=/home/johnt/grommit/cups >results
configure: WARNING: zlib.h: accepted by the compiler, rejected by the 
preprocessor!
configure: WARNING: zlib.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

This occurs while running configure on the cups version 1.1.20

> John Tomlinson
> Wireless Solutions - Radio Planning and Radio Planning Tools,  BT OneIT
> e-mail: address@hidden
> tel: (+44) 1473 645447
> fax: (+44) 1473 647390
> mobile: (+44) 7720 271392
> Meet Me number 0870 241 2996 access code 7610443#
> 
> RSB G 10, pp7, Adastral Park, Martlesham,
> Ipswich IP5 3RE, UK
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