2005-10-01 Marcus Brinkmann <marcus@g10code.de>

• engine.h (_gpgme_set_engine_info): Add prototype.
• engine-backend.h (struct engine_ops): Change return type of

get_file_name() to const char * to silence gcc warning.

• engine.c (engine_get_file_name): Change return type to const

char * to silence gcc warning.
(gpgme_get_engine_info): Use transitional variable to go from
const char * to char * to silence gcc warning.
(_gpgme_set_engine_info): Likewise.

• engine-gpgsm.c (struct engine_gpgsm): Change type of LINE to

char * to silence gcc warning.
(gpgsm_new): Make ARGV a pointer to const char.
(status_handler): Change type of SRC, END, DST, ALINE and NEWLINE
to char * to silence gcc warning.