staging/rtl8192u: do not init statics to 0

Fix the checkpatch error "do not initialize statics to 0 or NULL"

Signed-off-by: Sebastian Hahn <snsehahn@cip.cs.fau.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
Simple merge

diff --cc drivers/staging/rtl8192u/ieee80211/ieee80211_softmac_wx.c
Simple merge

diff --cc drivers/staging/rtl8192u/r8192U_core.c
Simple merge

diff --cc drivers/staging/rtl8192u/r8192U_dm.c
Simple merge