When creating a new archive entry, have zipfile store UTC instead of local

time in the legacy MS-DOS format timestamp field.

FossilOrigin-Name: b730d187f2202e5b5d31ed6c94c9bb04d7c289f7086a9b44b3d9050ea3586d3a

diff --cc manifest
index 5ab4a82cba22f29f47ecdd3df8477c8b59930925,b6843e249b038a9c9c5a7a065c0509871dfe4f62..adb223764e44051b749d2834e92f93f04ccd6de8
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Improve\sthe\somit-left-join\soptimization\sso\sthat\sit\sworks\sin\ssome\scases\s\nwhen\sthe\sRHS\sis\ssubject\sto\sa\sUNIQUE\sbut\snot\sNOT\sNULL\sconstraint.
- D 2018-01-31T16:50:27.186
 -C Fix\sa\stest\scase\sin\szipfile.test.
 -D 2018-01-31T19:45:58.864
++C When\screating\sa\snew\sarchive\sentry,\shave\szipfile\sstore\sUTC\sinstead\sof\slocal\ntime\sin\sthe\slegacy\sMS-DOS\sformat\stimestamp\sfield.
++D 2018-01-31T20:18:26.779
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F Makefile.in 7a3f714b4fcf793108042b7b0a5c720b0b310ec84314d61ba7f3f49f27e550ea
@@@ -1704,8 -1704,7 +1704,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 32ed9c106710c74a12d60ec33027fd6a9335627c95642ba608593b2735714da6 74d857d178dfadea7e07ba47439fe11aa9d282b54caf78cd6961e593b37406d0
- R ee3ce7babbd6fba601d683cb41b035ba
- T +closed 74d857d178dfadea7e07ba47439fe11aa9d282b54caf78cd6961e593b37406d0
- U drh
- Z 20db364b7139e3a10e7c112d48b03b80
 -P e2114df18383d111dd5fbac902e08b42a7f4b2b2d6f7bf29574a3722e4a4dad5
++P 02ba8a7ba7ba71cd7abd5dd3093ea486f53a025f6972bb444f2da37e0e2fc3b2 4eb5b24c64ee5907c18371f563b79fa0caf58285a62b8f09e639a690e6727eaa
+ R 1aa884bc5be6161439d6cdee8401a11e
++T +closed 4eb5b24c64ee5907c18371f563b79fa0caf58285a62b8f09e639a690e6727eaa
+ U dan
 -Z 880157cddf7626c80e702257f31b9f96
++Z a1436cfe5518dde187c59fef646e7300

diff --cc manifest.uuid
index 0940797d9ab1cba7ce2e9858b6640677e168a0e5,91dda60143407310d25ba29ddbedc384dcd5601e..b0255f791ba71b98be073cb6b2e520a4fb87298a
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 02ba8a7ba7ba71cd7abd5dd3093ea486f53a025f6972bb444f2da37e0e2fc3b2
 -4eb5b24c64ee5907c18371f563b79fa0caf58285a62b8f09e639a690e6727eaa
++b730d187f2202e5b5d31ed6c94c9bb04d7c289f7086a9b44b3d9050ea3586d3a