Support building the Tcl bindings DLL using MSVC.

FossilOrigin-Name: b2011c13173114505705d2ff2ba6f476697d51aca0bddd585a9e5a639dca41e2

diff --cc manifest
index d9ccf723b47bc4fedce7348e5c218bef730ec889,b5857007031c30f15db2df1517b34a7d2c98abbb..6d666442e9b30b43126579d171730b23b527f5f0
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sharmless\scompiler\swarnings\sseen\swith\sMSVC.
- D 2019-03-27T14:58:18.546
 -C Support\sTcl\slibraries\swith\sa\ssuffix.
 -D 2019-03-23T00:38:52.033
++C Support\sbuilding\sthe\sTcl\sbindings\sDLL\susing\sMSVC.
++D 2019-03-27T14:59:56.710
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -1813,7 -1807,7 +1813,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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  U mistachkin
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 -Z 7364065c4aa5f42371a287edfc13c6e9
++Z 5b4f719413f567097ebdba430d0cf7aa

diff --cc manifest.uuid
index bb858f67b9bc763161847f6920c55fbbe75f078b,54c6d2f0a2e368c49c521a4927feda0d6e48975f..482b511afd5a39bbe0fecd04c6870b89614611c7
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
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