staging: rtl8192e: rtllib_crypt_tkip: fixes on unbalanced braces

Added braces around needed arms of statements which needs them
in accordance with the Linux kernel coding-style regulations.
The issues were found with the help of the checkpatch script.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Signed-off-by: Aaron Lawrence <t4rmin@zohomail.com>
Link: https://lore.kernel.org/r/641d8360c5f86b54efc96d7f8ef70be1371db480.1666787061.git.t4rmin@zohomail.com


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