staging: rtl8188eu: rearrange code

Re-arrange the code to directly return success or failure, thus removing
the variable used in the function.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8188eu/os_dep/recv_linux.c
Simple merge