dnsmasq: idn support requires wchar

IDN support requires wchar, otherwise libintl will fail to build.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/dnsmasq/Config.in

@@ -23,6 +23,7 @@ config BR2_PACKAGE_DNSMASQ_DHCP
 config BR2_PACKAGE_DNSMASQ_IDN
 	bool "IDN support (BIG!)"
 	depends on BR2_PACKAGE_DNSMASQ
+	depends on BR2_USE_WCHAR
 	select BR2_PACKAGE_LIBINTL
 	select BR2_PACKAGE_LIBIDN
 	help