Mark up dwarf_loadfile a bit

Author: ian-h-chamberlain

tests/data/dwarf_loadfile.red

@@ -1,12 +1,13 @@
 ;redcode
-;name          Dwarf
-;author        A. K. Dewdney
-;version       94.1
-;date          April 29, 1993
-;strategy      Bombs every fourth instruction.
-;assert        CORESIZE % 4 == 0
-ORG $1
+;name           Dwarf
+;author         A. K. Dewdney
+;version        94.1
+;date           April 29, 1993
+;strategy       Bombs every fourth instruction.
+;assert         CORESIZE % 4 == 0
+ORG $2          ; reference had $1 but I think it should be $2
 DAT.F #0, #0
 ADD.AB #4, $-1
 MOV.AB #0, @-2
-JMP.A $-2, #0
+JMP.A $-2, #0
+END             ; Should this still be included?