* main.c (baud_rate): Add FIXME comment about printing -1 value.

	* main.c (baud_rate): Add FIXME comment about printing -1 value.

	* remote-utils.c (usage): Fix message to be accurate and conform
	more closely to normal conventions.

	* remote-utils.c (gr_files_info): Have the exec_bfd test control
	whether to show information about exec_bfd, and not control whether
	to show information about device and speed.

	* remote-utils.c (gr_open): If sr_get_device returns NULL, give
	usage message, don't dump core.

	* remote-bug.c (bug_write_memory): Use alloca, not GCC extension
	for variable size array.
	(bug_fetch_register, bug_store_register): Rename "value" to
	"fpreg_buf" because some compilers don't like variables whose
	names are the same as types.
	(bug_store_register): Use a cast when converting char * to
	unsigned char *.