OpenBSD/ports QTFCEvgwww/firefox-esr Makefile distinfo

   MFC: update to firefox-esr 68.3.0.

   See https://www.mozilla.org/en-US/firefox/68.3.0/releasenotes/
   Fixes https://www.mozilla.org/en-US/security/advisories/mfsa2019-37/
VersionDeltaFile
1.108.2.2+2-2www/firefox-esr/Makefile
1.74.2.2+2-2www/firefox-esr/distinfo
+4-42 files

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