When LF->CR+LF conversion causes an buffer truncation, supress the conversion (in case of unicode).
When LF->CR+LF conversion causes an buffer truncation, supress the conversion (in case of unicode).

gavioto/psqlodbc,gavioto/psqlodbc,treasure-data/prestogres-odbc,hlinnaka/psqlodbc,treasure-data/prestogres-odbc,hlinnaka/psqlodbc,treasure-data/prestogres-odbc,hlinnaka/psqlodbc,gavioto/psqlodbc