fix printf format codes

scan.c

@@ -113,7 +113,7 @@ oneline(char *file)
 	}
 	blaze822_decode_rfc2047(subjdec, subj, sizeof subjdec - 1, "UTF-8");
 
-	printf("%c%c %-3d %-10s  ", flag1, flag2, lineno, date);
+	printf("%c%c %-3ld %-10s  ", flag1, flag2, lineno, date);
 	u8putstr(stdout, fromdec, 17, 1);
 	printf("  ");
 	int z;

thread.c

@@ -63,7 +63,7 @@ mid(struct message *msg)
 		// invent new message-id for internal tracking
 		static long i;
 		char buf[32];
-		snprintf(buf, sizeof buf, "thread.%08d@localhost", ++i);
+		snprintf(buf, sizeof buf, "thread%08ld@localhost", ++i);
 		return strdup(buf);
 	}
 }

unmime.c

@@ -23,7 +23,7 @@ recmime(struct message *msg, int depth)
 	size_t bodylen;
 
 	if (blaze822_mime_body(msg, &ct, &body, &bodylen, &bodychunk)) {
-		printf("%*.sbody %s len %d\n", depth*2, "", ct, bodylen);
+		printf("%*.sbody %s len %zd\n", depth*2, "", ct, bodylen);
 		if (strncmp(ct, "multipart/", 10) == 0) {
 			while (blaze822_multipart(msg, &imsg))
 				recmime(imsg, depth+1);