lighttpd: do not use getPackagePrefix for now. (#2692)

getPackagePrefix makes our scripts on travis-ci.org complain:

Checking ports of: lighttpd-1.4.49
lighttpd-1.4.49 [www-servers]
packageEntries: error: "mod_geoip" doesn't seem to be
a valid package suffix.

So, instead, use a little hack.

www-servers/lighttpd/lighttpd-1.4.49.recipe

@@ -211,16 +211,16 @@ POST_INSTALL_SCRIPTS="
 	$relativePostInstallDir/create-lighttpd-directories.sh
 	"
 
-debugList=()
+debugList=(
+	"$commandBinDir"/lighttpd
+	"$commandBinDir"/lighttpd-angel
+	"${libDir/lighttpd$secondaryArchSuffix/lighttpd${secondaryArchSuffix}_mod_geoip}"/lighttpd/mod_geoip.so
+	)
 for i in `echo "$PROVIDES" | sed -e "/^\s*#/ d;" | sed -n -e \
                "s/^\s*lib:\(mod_.*\)$secondaryArchSuffix/\1/p;"` ; do
        debugList+=("$libDir"/lighttpd/$i.so)
 done
-defineDebugInfoPackage lighttpd$secondaryArchSuffix \
-	"$commandBinDir"/lighttpd \
-	"$commandBinDir"/lighttpd-angel \
-	"$(getPackagePrefix mod_geoip)"/$relativeLibDir/lighttpd/mod_geoip.so \
-	"${debugList[@]}"
+defineDebugInfoPackage lighttpd$secondaryArchSuffix "${debugList[@]}"
 
 BUILD()
 {