5 updates

Wed Mar 16 01:46:29 UTC 2022
l/jasper-3.0.3-i586-1.txz:  Upgraded.
l/qt5-5.15.3_20220312_33a3f16f-i586-1.txz:  Upgraded.
  If a 32-bit userspace is detected, then:
  export QTWEBENGINE_CHROMIUM_FLAGS="--disable-seccomp-filter-sandbox"
  This works around crashes occuring with 32-bit QtWebEngine applications.
  Thanks to alienBOB.
n/krb5-1.19.3-i586-1.txz:  Upgraded.
n/samba-4.15.6-i586-1.txz:  Upgraded.
n/stunnel-5.63-i586-1.txz:  Upgraded.