sysklogd: needs MMU

Fixes:
http://autobuild.buildroot.net/results/bf1/bf1a6e1d4798c5abea4ff5114279329d6d90548f/

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/sysklogd/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_SYSKLOGD
 	bool "syslogd & klogd"
 	depends on BR2_LARGEFILE
+	depends on BR2_USE_MMU # fork()
 	help
 	  System log daemons syslogd and klogd.
 
@@ -8,3 +9,4 @@ config BR2_PACKAGE_SYSKLOGD
 
 comment "syslogd needs a toolchain w/ largefile"
 	depends on !BR2_LARGEFILE
+	depends on BR2_USE_MMU