Enhance the sqlite3_load_extension() interface to permit extensions to

return SQLITE_OK_LOAD_PERMANENTLY which will prevents unloading when
the database connection closes.

FossilOrigin-Name: 5908aa4dc59925c414b236b6fd3d3ecd7f3da435

diff --cc ext/misc/vfsstat.c
Simple merge

diff --cc manifest
index 28d7551f5dfa4d4e298354684e0b32093e59c106,eb178318cd27b73c1d6c9001aadf18a5be33e8dd..8859f72be765a2130cc06627fe3be8be9b099ef9
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\san\sissue\spreventing\sRBU\svacuum\sfrom\sworking\swith\svirtual\stables.
- D 2016-06-01T10:37:50.553
 -C Enhance\sthe\ssqlite3_load_extension()\sinterface\sto\spermit\sextensions\sto\nreturn\sSQLITE_OK_LOAD_PERMANENTLY\swhich\swill\sprevent\sthe\sextensions\sfrom\nunloading\swhen\sthe\sdatabase\sconnection\scloses.
 -D 2016-05-28T17:23:08.946
++C Enhance\sthe\ssqlite3_load_extension()\sinterface\sto\spermit\sextensions\sto\s\nreturn\sSQLITE_OK_LOAD_PERMANENTLY\swhich\swill\sprevents\sunloading\swhen\nthe\sdatabase\sconnection\scloses.
++D 2016-06-03T13:35:55.049
  F Makefile.in f59e0763ff448719fc1bd25513882b0567286317
  F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
  F Makefile.msc 306d73e854b1a92ea06e5d1e637faa5c44de53c7
@@@ -222,7 -221,7 +222,7 @@@ F ext/misc/showauth.c 732578f0fe4ce42d5
  F ext/misc/spellfix.c bf1b922c2750698e9a3d4c50cce6974adb7e93be
  F ext/misc/totype.c 4a167594e791abeed95e0a8db028822b5e8fe512
  F ext/misc/vfslog.c fe40fab5c077a40477f7e5eba994309ecac6cc95
- F ext/misc/vfsstat.c aed1f11904f07487d71015c8826885f57e4644b3
 -F ext/misc/vfsstat.c 9b41dd28f523f56f688529db12b9a6895a3e6896
++F ext/misc/vfsstat.c 6110aeeaab2f1df17a923c8a8acef3c74f6dc515
  F ext/misc/vtshim.c babb0dc2bf116029e3e7c9a618b8a1377045303e
  F ext/misc/wholenumber.c 784b12543d60702ebdd47da936e278aa03076212
  F ext/rbu/rbu.c b2c0b5e6ae1a89affc0edfc127ebfa5f637a0ce4
@@@ -1498,7 -1496,10 +1498,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P f6e956525b03fa07190e5521edac4758c386cc80
- R e1810942aeafbc52047febcf823bcd33
- U dan
- Z 9391b61c89a105fa8d99de95f920a23b
 -P 6a0f200957ea294a2ae06c0b039a10ac838925f2
 -R 6ce9b533604a3edd0071ae2a75774cc3
 -T *branch * load-permanently
 -T *sym-load-permanently *
 -T -sym-trunk *
++P 3bd85fa5a9a489fd505c973e37c33a76c1b0e957 d3f99a5e8d0486d0917dfe96987c179a6f63b850
++R ae39387c327ccfd8ae1b949a8c2348a2
++T +closed d3f99a5e8d0486d0917dfe96987c179a6f63b850
+ U drh
 -Z 6a4e05708813f8abe1e82b227d71ac00
++Z 5e388deebe72b8e4fdd13fe3fcf9419e

diff --cc manifest.uuid
index 86876cd341dc5ef16f3d36fe55dae62d4674a208,8814600fdabb5dab7ad7e5eaa59f1f6df937032e..b974ab02f082368af8d2009d2fb5c766817ae655
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 3bd85fa5a9a489fd505c973e37c33a76c1b0e957
 -d3f99a5e8d0486d0917dfe96987c179a6f63b850
++5908aa4dc59925c414b236b6fd3d3ecd7f3da435