Fix ISA recognition in translate script

The header of an ELF file contains two bytes representing the ISA.
These two bytes are offset 0x12 in the file, which is offset 18, not
offset 17 like it was in the script.

translate

@@ -78,22 +78,22 @@ import sys
 file = open(sys.argv[1], "rb")
 file.seek(5)
 result = hexlify(file.read(1))
-file.seek(17)
+file.seek(18)
 result += hexlify(file.read(2))
 file.close()
 print(result.decode("utf-8"))' "$INPUT")
 
 case "$ARCHID" in
-    010028)
+    012800)
         ARCH=arm;
         ;;
-    020200)
+    020008)
         ARCH=mips;
         ;;
-    01003e)
+    013e00)
         ARCH=x86_64;
         ;;
-    010003)
+    010300)
         ARCH=i386;
         ;;
     *)