staging: rtl8192e: Remove space after cast

This patch addresses the checkpatch.pl flag that there should not be a
space after a cast.

Signed-off-by: Solomon Tan <wjsota@gmail.com>
Link: https://lore.kernel.org/r/20220419124318.8028-1-wjsota@gmail.com


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