Move utmp/wtmp support to "General configuration" section

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/Config.in b/coreutils/Config.in
index 297f465..ead632a 100644
--- a/coreutils/Config.in
+++ b/coreutils/Config.in
@@ -825,7 +825,7 @@
 config WHO
 	bool "who"
 	default n
-	select FEATURE_UTMP
+	depends on FEATURE_UTMP
 	help
 	  who is used to show who is logged on.