acinclude.m4: add GTKHS_PKG_CHECK_DEPRECATED: like GTKHS_PKG_CHECK but for a deprecated package
acinclude.m4: add GTKHS_PKG_CHECK_DEPRECATED: like GTKHS_PKG_CHECK but for a deprecated package

darcs-hash:20081219163145-21862-840a9f3ad92dd3cc22766b48b2625ab5213b4fb1.gz

thiagoarrais/gtk2hs,thiagoarrais/gtk2hs,thiagoarrais/gtk2hs