[PATCH] git-tar-tree: cleanup write_trailer()

replace open-coded variants of get_record().

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

tar-tree.c

@@ -73,16 +73,13 @@ static char *get_record(void)
  */
 static void write_trailer(void)
 {
-	memset(block + offset, 0, RECORDSIZE);
-	offset += RECORDSIZE;
+	get_record();
 	write_if_needed();
-	memset(block + offset, 0, RECORDSIZE);
-	offset += RECORDSIZE;
+	get_record();
 	write_if_needed();
 	if (offset) {
-		memset(block + offset, 0, BLOCKSIZE - offset);
-		reliable_write(block, BLOCKSIZE);
-		offset = 0;
+		get_record();
+		write_if_needed();
 	}
 }