ensure GDK_mmap_minsize is never set to someting bigger than the user-specified max
ensure GDK_mmap_minsize is never set to someting bigger than the user-specified max

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb