lighttpd: needs mmu

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lighttpd/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_LIGHTTPD
 	bool "lighttpd"
+	depends on BR2_USE_MMU # fork()
 	help
 	  lighttpd a secure, fast, compliant and very flexible web-server
 	  which has been optimized for high-performance environments. It