Compile Warnings for Visual Studio (#132)

src/mod_lua.inl

@@ -10,21 +10,23 @@ mmap(void *addr, int64_t len, int prot, int flags, int fd, int offset)
 	/* TODO: This is an incomplete implementation of mmap for windows.
 	 * Currently it is sufficient, but there are a lot of unused parameters.
 	 */
+	HANDLE fh = (HANDLE)_get_osfhandle(fd);
+	HANDLE mh = CreateFileMapping(fh, 0, PAGE_READONLY, 0, 0, 0);
+	void *p = MapViewOfFile(mh, FILE_MAP_READ, 0, 0, (size_t)len);
+	CloseHandle(mh);
+
+	/* unused parameters */
 	(void)addr;
 	(void)prot;
 	(void)flags;
 	(void)offset;
 
-	HANDLE fh = (HANDLE)_get_osfhandle(fd);
-	HANDLE mh = CreateFileMapping(fh, 0, PAGE_READONLY, 0, 0, 0);
-	void *p = MapViewOfFile(mh, FILE_MAP_READ, 0, 0, (size_t)len);
-	CloseHandle(mh);
 	return p;
 }
 
 static void munmap(void *addr, int64_t length)
 {
-
+	/* unused parameters */
 	(void)length;
 
 	UnmapViewOfFile(addr);