Use :: to export labels between objects.

This fixes the build.

home/random.asm

@@ -1,4 +1,4 @@
-Random: ; 2f8c
+Random:: ; 2f8c
 ; A simple hardware-based random number generator (RNG).
 
 ; Two random numbers are generated by adding and subtracting
@@ -29,7 +29,7 @@ Random: ; 2f8c
 	ret
 ; 2f9f
 
-BattleRandom: ; 2f9f
+BattleRandom:: ; 2f9f
 ; _BattleRandom lives in another bank.
 
 ; It handles all RNG calls in the battle engine, allowing
@@ -50,7 +50,7 @@ BattleRandom: ; 2f9f
 ; 2fb1
 
 
-Function2fb1: ; 2fb1
+Function2fb1:: ; 2fb1
 	push bc
 	ld c, a
 	xor a