Fix issues on unix with opening database files via symlinks that are not in the curre...

FossilOrigin-Name: 4003db4a49c6b623750e56f626fa492c8402067f

diff --cc manifest
index f3535e39057ce053bd998c9f14bf63d51626e2fa,2765e104fb6400ba763351656680e326a7b83d90..623ea5d1548b2409c576aa8cbb98af9b9f4a6c9e
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,8 -1,8 +1,8 @@@
- C Add\sthe\sability\sto\sdo\sWindows\sbuilds\sto\sthe\samalgamation\starball.
- D 2016-01-25T23:24:38.805
 -C Ensure\sthat\sunixFullpathname()\salways\snul-terminates\sits\soutput\sbuffer,\seven\swhen\sreturning\san\serror.
 -D 2016-01-26T13:56:42.494
++C Fix\sissues\son\sunix\swith\sopening\sdatabase\sfiles\svia\ssymlinks\sthat\sare\snot\sin\sthe\scurrent\sworking\sdirectory.\sAnd\swith\snested\ssymlinks.
++D 2016-01-26T14:48:02.511
  F Makefile.in 027c1603f255390c43a426671055a31c0a65fdb4
  F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 -F Makefile.msc 1708a78eda223b6daa302b140037fcc214a779f9
 +F Makefile.msc 6fca5455aaecbd14479f33f091aa19df2d3d2969
  F README.md 8ecc12493ff9f820cdea6520a9016001cb2e59b7
  F VERSION 866588d1edf0ccb5b0d33896974338f97564f719
  F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
@@@ -10,10 -10,9 +10,10 @@@ F art/sqlite370.eps aa97a671332b432a54e
  F art/sqlite370.ico af56c1d00fee7cd4753e8631ed60703ed0fc6e90
  F art/sqlite370.jpg d512473dae7e378a67e28ff96a34da7cb331def2
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@@@ -418,10 -417,10 +418,10 @@@ F src/vdbeapi.c ffae8f5af4570fbd548504e
  F src/vdbeaux.c 757f86e6fef8efb3dd4226cb31e2e82b9c44c883
  F src/vdbeblob.c 37c3d11a753e403698c69e17383d282e1ae73e75
  F src/vdbemem.c b9181e77eca2a095929d46250daf85c8d2621fc0
 -F src/vdbesort.c 0971557e5d3c289e46f56a52aed2197c13251de7
 +F src/vdbesort.c 3bb1f1f03162e6d223da623714d8e93fcaeac658
  F src/vdbetrace.c 8befe829faff6d9e6f6e4dee5a7d3f85cc85f1a0
  F src/vtab.c 320682cca733115b4cbe71320b5c5eeb1074ebde
- F src/vxworks.h 974e7d9a98f602d6310d563e1dc4e08f9fc48e47
+ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
  F src/wal.c d21b99fd1458159d0b1ecdccc8ee6ada4fdc4c54
  F src/wal.h 2f7c831cf3b071fa548bf2d5cac640846a7ff19c
  F src/walker.c 0f142b5bd3ed2041fc52d773880748b212e63354
@@@ -1421,8 -1419,7 +1421,8 @@@ F tool/vdbe_profile.tcl 246d0da094856d7
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
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- T +closed 6df8a9c00a9d067f67d492da7a4617908070c6c0
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++R 1d2d15b294b146d0b5d200f0cf62495d
++T +closed 4a4385564dd3887a7953820b60c99d6ce289f96a
+ U dan
 -Z e95289d1bfc22539e02b85ec76fd69c7
++Z 7fd087e8bb59761ded2cdf6adb6cd578

diff --cc manifest.uuid
index 0029a388e01c57c7cf649011fe73ec9a10f07273,72144560bebf060f7078b104165e8dc91a5ee4b4..bbd6a658df02bf42a044c002fd8c5984cd79cdaf
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- abd2b357c55fdcdbc8e66a81a3fbb7f822ea0a4f
 -4a4385564dd3887a7953820b60c99d6ce289f96a
++4003db4a49c6b623750e56f626fa492c8402067f