dont change to gbc form if minish in dungeons

Masks/gbc_form.asm

@@ -58,10 +58,11 @@ LinkState_GameboyInDungeonEntrance:
 {
   ; if link is in the dark world, change his sprite to the gbc one
   LDA $0FFF : CMP #$00 : BEQ .return
-    LDA $BC :  CMP #$06 : BEQ .return
-   
-    JSL UpdateGbcPalette
-    LDA #$3B : STA $BC   ; change link's sprite 
+    LDA.w !CurrentMask : CMP.b #$05 : BEQ .return
+      LDA $BC :  CMP #$06 : BEQ .return
+    
+      JSL UpdateGbcPalette
+      LDA #$3B : STA $BC   ; change link's sprite 
    
 .return