nl80211: fix UNSPEC signal quality reporting

[Dan Williams]

r->level got assigned so it's clearly not INVALID; instead
r->qual should be invalid.

Signed-hostap: Dan Williams <dcbw at redhat.com>
---
 src/drivers/driver_nl80211.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Candidate for 1.0 and 0.7.x too.

diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 0f7447b..3e9701c 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -3040,7 +3040,7 @@ static int bss_info_handler(struct nl_msg *msg, void *arg)
 		r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID;
 	} else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) {
 		r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
-		r->flags |= WPA_SCAN_LEVEL_INVALID;
+		r->flags |= WPA_SCAN_QUAL_INVALID;
 	} else
 		r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID;
 	if (bss[NL80211_BSS_TSF])
-- 
1.7.7.1