Another one

Author: k0ekk0ek

src/zone.c

@@ -156,7 +156,7 @@ static int32_t open_file(
   const char *rel = file->name;
 
 #if _WIN32
-  char buf[1];
+  char buf[4];
   // relative include paths are relative to including file
   if (file != &parser->first && PathIsRelative(path)) {
     assert(parser->file->path != not_a_file);