wpa_supplicant: Fix CONFIG_NO_ROAMING option

Change-Id: I9d4c2c59179f92c82b4a6d8a5b503db8dd859e2c
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 1e6db39..c09245d 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -954,7 +954,7 @@
 	if (!current_bss)
 		return 1; /* current BSS not seen in scan results */
 
-#ifdef CONFIG_NO_ROAMING
+#ifndef CONFIG_NO_ROAMING
 	wpa_dbg(wpa_s, MSG_DEBUG, "Considering within-ESS reassociation");
 	wpa_dbg(wpa_s, MSG_DEBUG, "Current BSS: " MACSTR " level=%d",
 		MAC2STR(current_bss->bssid), current_bss->level);