Update vm.c

Author: AzliRynz

vm.c

@@ -5,7 +5,7 @@
 
 static InterpretResult run(VM* vm) {
     #define READ_BYTE() (*vm->ip++)
-    #define READ_CONSTANT() (vm->chunk->constants.values[READ_BYTE()])
+    #define READ_CONSTANT() (vm->chunk->constants->values[READ_BYTE()])
     #define BINARY_OP(op) \
         do { \
             if (!IS_NUMBER(peek(0)) || !IS_NUMBER(peek(1))) { \