neon: fix ssl option dependency

Thanks to Gustavo Zacarias for noticing.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/neon/Config.in

@@ -14,6 +14,7 @@ config BR2_PACKAGE_NEON_ZLIB
 
 config BR2_PACKAGE_NEON_SSL
 	bool "SSL support"
+	depends on BR2_PACKAGE_NEON
 	select BR2_PACKAGE_OPENSSL
 	help
 	  build with SSL support