fcallconv: fix name not printed for Tcreate

Reference: /n/sources/patch/applied/u9fs-fmtcreat
Date: Mon Jan 21 15:18:06 CET 2013
Signed-off-by: yarikos@gmail.com

--- /sys/src/cmd/unix/u9fs/fcallconv.c	Mon Jan 21 15:17:53 2013
+++ /sys/src/cmd/unix/u9fs/fcallconv.c	Mon Jan 21 15:17:50 2013
@@ -76,7 +76,7 @@
 			f->qid.path, f->qid.vers, qidtype(tmp, f->qid.type), f->iounit);
 		break;
 	case Tcreate:	/* 114 */
-		sprint(buf, "Tcreate tag %ud fid %ud perm %M mode %d", tag, fid, (ulong)f->perm, f->mode);
+		sprint(buf, "Tcreate tag %ud fid %ud name %s perm %M mode %d", tag, fid, f->name, (ulong)f->perm, f->mode);
 		break;
 	case Rcreate:
 		sprint(buf, "Rcreate tag %ud qid " QIDFMT " iounit %ud ", tag,