staging: rtl8192e: remove redundant initialization of rtstatus

Variable rtstatus is being initialized with a value that is never
read as it is being overwritten inside a do-while loop. Clean up
the code by removing the redundant initialization.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190702095647.26378-1-colin.king@canonical.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>