target/sh4: add missing tcg_temp_free() in _decode_opc()

missed in c55497ecb8c and 852d481faf7.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20171205170013.22337-3-f4bug@amsat.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
1 file changed