Log Message:
unixodbc: updated to 2.3.12

2.3.12

Fix iconv handle leak with pooling
Add windows encoding patch
Avoid failed build if clock_gettime() is not available
Allow passing in a entire connection string into iusql
Allow isql to handle SQL_SUCCESS_WITH_INFO from SQLPrepare
Add extra logging for ODBCINST connect settings
Allow allocated copy (instead of fixed length) for the connection string with \ 
pooling to allow any length
Export __clear_ini_cache() from odbcinst to allow explicitly clearing the ini cache
Fix seg fault when used with SQLAPI
Add --enable-utf8ini flag to add utf8 to WCHAR conversions in \ 
SQLGetPrivateProfileStringW
Allow longer error messages via GetDiag functions
Add --enable-singleenv to enable single shared env handle when using pooling