Fix SQL_C_GUID parameter binding sending corrupted data on the wire (#295)#296

fdcastel wants to merge 2 commits intoFirebirdSQL:masterFirebirdSQL/firebird-odbc-driver:masterfrom

fdcastel:fix/issue-295-sql-c-guid-param-bindingfdcastel/firebird-odbc-driver:fix/issue-295-sql-c-guid-param-bindingCopy head branch name to clipboard