Fixed hilink signature

src/binwalk/magic/firmware

@@ -69,7 +69,7 @@
 
 # Hilink encrypts thier firmware with a fixed DES key, so the uImage magic
 # bytes are encrypted to the same values every time.
-0      ubelong   0xEC1C7558     Encrypted Hilink uImage firmware header
+0x23   string    \x4A\x52\xCA\xDA\x2D     Encrypted Hilink uImage firmware header
 
 #IMG0 header, found in VxWorks-based Mercury router firmware
 0       string        IMG0    IMG0 (VxWorks) header,