fix all build errors for ubantu

Author: ProgrammerKR

include/value.h

@@ -14,7 +14,7 @@
 // Value moved to common.h
 
 #define SIGN_BIT ((uint64_t)0x8000000000000000)
-#define QNAN     ((uint64_t)0x7ffc000000000000)
+#define QNAN     ((uint64_t)0x7ff8000000000000)
 
 #define TAG_NULL  1
 #define TAG_FALSE 2

src/runtime/vm.c

@@ -1107,7 +1107,7 @@ static InterpretResult run(VM* vm) {
                 runtimeError(vm, "Expected %d arguments but got %d.", closure->function->arity, argCount);
                 return INTERPRET_RUNTIME_ERROR;
             }
-            if (vm->frameCount == 64) {
+            if (vm->frameCount == FRAMES_MAX) {
                 runtimeError(vm, "Stack overflow.");
                 return INTERPRET_RUNTIME_ERROR;
             }