getopt: FEATURE_GETOPT_LONG for -l; rename GETOPT_LONG to LONG_OPTS

Signed-off-by: Colin Watson <cjwatson@ubuntu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/Config.in b/Config.in
index fff6d83..ee706eb 100644
--- a/Config.in
+++ b/Config.in
@@ -114,7 +114,7 @@
 	  Enable this if your system has locale support and you would like
 	  busybox to support locale settings.
 
-config GETOPT_LONG
+config LONG_OPTS
 	bool "Support for --long-options"
 	default y
 	help