staging: rtl8192u: ieee80211: Fix sparse endianness warnings ieee80211_softmac.c

Fix the following endinness warnings detected by sparse:

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:669:34: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:669:34:    expected restricted __le16 [usertype] duration_id
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:669:34:    got int

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:679:33: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:679:33:    expected restricted __le16 [usertype] algorithm
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:679:33:    got int

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1090:32: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1090:32:    expected restricted __le16 [usertype] duration_id
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1090:32:    got int

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1109:30: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1109:30:    expected restricted __le16 [usertype] listen_interval
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:1109:30:    got int

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:3130:24: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:3130:24:    expected restricted __le16 [usertype] reason
drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:3130:24:    got unsigned char [unsigned] [usertype] asRsn

Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>