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/include/libbb.h b/include/libbb.h
index 62a60f9..e1c36a5 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -835,7 +835,7 @@
 
 extern const char *const bb_argv_dash[]; /* "-", NULL */
 extern const char *opt_complementary;
-#if ENABLE_GETOPT_LONG
+#if ENABLE_LONG_OPTS || ENABLE_FEATURE_GETOPT_LONG
 #define No_argument "\0"
 #define Required_argument "\001"
 #define Optional_argument "\002"