Staging: rtl8192u: r8192U_wx.c Added a single space for code-style issue

Added a space around '|' to address:

ERROR: need consistent spacing around '|' (ctx:VxW)

Signed-off-by: Chaitanya Hazarey <c@24.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>