Fix memory leak on wpa_supplicant_init_wpa() error path

If wpa_sm_init() fails, the context data needs to be freed in the
caller.

Signed-off-by: Jouni Malinen <j@w1.fi>

wpa_supplicant/wpas_glue.c

@@ -1040,6 +1040,7 @@ int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
 	if (wpa_s->wpa == NULL) {
 		wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
 			   "machine");
+		os_free(ctx);
 		return -1;
 	}
 #endif /* CONFIG_NO_WPA */