Changes that will perhaps enable SQLite to work better on VxWorks.
Fix harmless compiler warnings.
Updates to evidence marks and requirements.  No changes to code.
Add a few more requirements tests.
Fix for #ifdef issue with GetVersionEx in the Win32 VFS.
Clarify the comment explaining the meaning of the SQLITE_WIN32_GETVERSIONEX
macro in the Windows VFS.
Further clarification and typo fixes for the previous comment change.
Modify GetVersionEx Win32 VFS fix for use with the test suite.
Fix an assert() statement in the SELECT code generator that was
incorrect following an OOM error.
Add a test to ensure that the problem fixed by [a179e41e40] does not recur.