Keep trying to find a good header, if we exit it will cause .tar.gz

files to compute incorrect crc and length for gzip

archival/libunarchive/get_header_tar.c

@@ -65,7 +65,7 @@ extern char get_header_tar(archive_handle_t *archive_handle)
 
 	/* If there is no filename its an empty header */
 	if (tar.formated.name[0] == 0) {
-		return(EXIT_FAILURE);
+		return(EXIT_SUCCESS);
 	}
 
 	/* Check header has valid magic, "ustar" is for the proper tar