Log Message:
Changes 3.11.1:
Improvements to the Makefiles and build scripts used by VisualStudio.
Fix an FTS5 issue in which the 'optimize' command could cause index corruption.
Fix a buffer overread that might occur if FTS5 is used to query a corrupt \ 
database file.
Increase the maximum "scope" value for the spellfix1 extension from 6 \ 
to 30.