tools: firmware-utils: fix compiler warnings

This just fixes a lot of compiler warnings.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 47181

tools/firmware-utils/src/osbridge-crc.c

@@ -51,7 +51,7 @@ static char *ofname;
 #define ERRS(fmt, ...) do { \
 	int save = errno; \
 	fflush(0); \
-	fprintf(stderr, "[%s] *** error: " fmt "\n", \
+	fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
 			progname, ## __VA_ARGS__, strerror(save)); \
 } while (0)