in perror and handler descriptors (BUG#25177)
Fixed problem of masking mysql error by system
error in perror (BUG#23028)
extra/perror.c:
Used common handlers error list.
Fixed BUG#23028 ignoring mysql error in case of
OS and mysql error codes overlapping.
include/my_base.h:
Added errors of maria engine.
Fixed incorrect comment in #define (can be cause of
seriouse problems)
include/my_handler.h:
Added ability to be included into C++ code.
mysys/my_handler.c:
Error texts moved to the separate files.
mysys/my_handler_errors.h:
New BitKeeper file ``mysys/my_handler_errors.h''
