The server produced syntax error messages at a wrong lexeme next to the correct
one if the error happened at the keyword "WITH".

The fix: take into account the location parameter value produced by Bison in the
function MYSQLerror().

Also, the current patch has added a support for Bison-generated OOM messages.

Change-Id: I50d1a9e49bb78ad6ae55ae72f7e617d02ed68f17