Avoid using snprintf as a member variable of a struct in sqlite3ext.h. This

causes problems on OSX. Similar to fix [a1fd3aa8].

FossilOrigin-Name: cd0471ca9f75e7c8be74536ff4ec85b5d70f0d7994b680ed5f45b9f12a46cf46

diff --cc manifest
index d6e49a102d6977abb3a2c49605e11ea910408020,365c4e7bb89fcea1040aa701bf2bb225583f7271..75ecef532121d15a0a00ba7a7e80eca0d86bad01
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C The\ssource\scode\sfiles\sgenerated\sfor\sthe\s'sqlite3-all.c'\starget\sshould\snot\shave\sWindows\sline-endings.
- D 2017-10-17T18:33:22.646
 -C Avoid\susing\ssnprintf\sas\sa\smember\svariable\sof\sa\sstruct\sin\ssqlite3ext.h.\sThis\ncauses\sproblems\son\sOSX.
 -D 2017-10-18T14:29:36.881
++C Avoid\susing\ssnprintf\sas\sa\smember\svariable\sof\sa\sstruct\sin\ssqlite3ext.h.\sThis\ncauses\sproblems\son\sOSX.\sSimilar\sto\sfix\s[a1fd3aa8].
++D 2017-10-18T15:02:01.361
  F Makefile.in e016061b23e60ac9ec27c65cb577292b6bde0307ca55abd874ab3487b3b1beb2
  F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
  F Makefile.msc 37740aba9c4bb359c627eadccf1cfd7be4f5f847078723777ea7763969e533b1
@@@ -1664,7 -1664,10 +1664,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
--P e2af0cc6ef5fafc785b8b73f51995901f50822972dcfb632494e22402596186d
- R d1f05de03c82774074759a8848af421f
- U mistachkin
- Z cf3e5ebd3225c433ae20a29b56e94ef7
 -R af758af6d9338e0da5d96870c08db747
 -T *branch * sqlite3ext-fix
 -T *sym-sqlite3ext-fix *
 -T -sym-trunk *
++P 6a08c43431be18a08bdcbf33d327513f72fff72dac5d02103dab8399d8c3d668 b066d5a69f5391b2cef04b4e288f7d33e63a4ff54325b7e9fbd6aa42529c2f3c
++R bae812ccbd328c244f2fa888e3ba625e
++T +closed b066d5a69f5391b2cef04b4e288f7d33e63a4ff54325b7e9fbd6aa42529c2f3c
+ U dan
 -Z d17bbc38b957a75c44d151990964eb3a
++Z 4879d15d8231001302e10b2e0a3c2891

diff --cc manifest.uuid
index 4c5b7a09c2d68984c1def32ca0570ecbd43efed6,73db2c4c9bfad62a0421014a431c599038041c9c..2f3fcd4b40c282abb77a08283077696f303be57c
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 6a08c43431be18a08bdcbf33d327513f72fff72dac5d02103dab8399d8c3d668
 -b066d5a69f5391b2cef04b4e288f7d33e63a4ff54325b7e9fbd6aa42529c2f3c
++cd0471ca9f75e7c8be74536ff4ec85b5d70f0d7994b680ed5f45b9f12a46cf46