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/networking/udhcp/dumpleases.c b/networking/udhcp/dumpleases.c
index d6176fb..cbf9f58 100644
--- a/networking/udhcp/dumpleases.c
+++ b/networking/udhcp/dumpleases.c
@@ -33,7 +33,7 @@
 		OPT_r	= 0x2,	// -r
 		OPT_f	= 0x4,	// -f
 	};
-#if ENABLE_GETOPT_LONG
+#if ENABLE_LONG_OPTS
 	static const char dumpleases_longopts[] ALIGN1 =
 		"absolute\0"  No_argument       "a"
 		"remaining\0" No_argument       "r"