s4/torture/smb2: cppcheck: Fix shiftTooManyBitsSigned error

s4/torture/smb2: cppcheck: Fix shiftTooManyBitsSigned error

Fixes

source4/torture/smb2/notify.c:974: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:994: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1002: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1011: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1025: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1040: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1048: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1062: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1081: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1096: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1112: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]
source4/torture/smb2/notify.c:1125: error: shiftTooManyBitsSigned: Shifting signed 32-bit value by 31 bits is undefined behaviour <--[cppcheck]

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>