Document and expose sqlite3_win32_set_directory() function for use on Win32.

FossilOrigin-Name: 7626b593405ca720e371b9f698b72b499b7c829bfe00f758140bc542cf970689

diff --cc manifest
index df2c9b0e226226c3df55898af84520cb51a66f70,974c276e5aab9bfb7da051043ee61823eb021be2..5dd3d7ec9bba9c76cdb71b6e1f6e0f5a229827d7
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Update\stest\sscript\sfts3expr4.test\sso\sthat\sit\salways\screates\sfts3\stokenizers\sin\nthe\s"en_US"\slocality.
- D 2018-04-27T18:05:01.487
 -C Add\scomments\sabout\sthe\sintended\suse\sof\sthe\ssqlite3_data_directory\svariable\sas\sit\spertains\sto\sthe\ssqlite3_win32_set_directory\sfunction.
 -D 2018-04-28T01:44:27.125
++C Document\sand\sexpose\ssqlite3_win32_set_directory()\sfunction\sfor\suse\son\sWin32.
++D 2018-04-28T01:46:22.766
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F Makefile.in 5ce9343cba9c189046f1afe6d2bcc1f68079439febc05267b98aec6ecc752439
@@@ -1725,7 -1725,7 +1725,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 462b52b121c1882e0eca819bc30c0f6e94d7fdd60047d2c32adeff3a1eb70546
- R 330eca5f95eacfc2db564f6137a9dfe2
- U dan
- Z a32eb6502eb10fd4922091ca79205291
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+ R 789673b5ae135eb7ca65c7e275b34852
++T +closed d11c419756ce28fcc1f58df6bbe59a3d8d19d0441970aa7bfa216ba915ceddf5
+ U mistachkin
 -Z 1983bc8c557ea2b496209ea5d099867c
++Z 9dd13bb2cb42def20613b95feb0b21f4

diff --cc manifest.uuid
index 4ebdf5064e24b29d71495a22608126b9059de42d,45b7a8a9c473cbb05bd35a514d605623818896f8..ed421b7d0ab649c7655394df6dde4d8d7facc22c
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 576a8f69ae25883f752e58953624e9f7126db998bebaa1f07f7c2ec47aaecabe
 -d11c419756ce28fcc1f58df6bbe59a3d8d19d0441970aa7bfa216ba915ceddf5
++7626b593405ca720e371b9f698b72b499b7c829bfe00f758140bc542cf970689