Added false positive detection for 'ROMFS v9.0' file system

src/binwalk/magic/filesystems

@@ -542,10 +542,12 @@
 # ftp://ftp.dlink.eu/Products/dir/dir-600/driver_software/DIR-600_fw_revC1_3-05B15__all_en_20120216.zip
 0x10    string          ROMFS\x20v      D-Link ROMFS filesystem,
 >0x17   string          x               version %s,
+>0      string          !\x2EmoR
+>>0     string          !Rom\x2E        {invalid} unknown endianess
 >0      string          \x2EmoR         little endian,
 >>8     lelong          x               size: <= %d
 >>8     lelong-0x20     x               {jump:%d}
->0      string          Rom\x2E         big endian
+>0      string          Rom\x2E         big endian,
 >>8     belong          x               size: <= %d
 >>8     belong-0x20     x               {jump:%d}