whois: Fix unmet dependencies

Fix :
   BR2_PACKAGE_WHOIS selects BR2_PACKAGE_GETTEXT which has unmet direct dependencies (BR2_USE_WCHAR)

Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/whois/Config.in

@@ -1,7 +1,11 @@
 config BR2_PACKAGE_WHOIS
 	bool "whois"
+	depends on BR2_USE_WCHAR # gettext
 	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT
 	help
 	  Improved whois client.
 
 	  http://www.linux.it/~md/software/
+
+comment "whois needs a toolchain w/ wchar"
+	depends on !BR2_USE_WCHAR