For now, don't implement ts_tree_print_dot_graph on windows

Author: maxbrunsfeld

lib/src/tree.c

@@ -1,4 +1,3 @@
-#include <unistd.h>
 #include "tree_sitter/api.h"
 #include "./array.h"
 #include "./get_changed_ranges.h"
@@ -124,8 +123,21 @@ TSRange *ts_tree_get_changed_ranges(const TSTree *self, const TSTree *other, uin
   return result;
 }
 
+#ifdef _WIN32
+
+void ts_tree_print_dot_graph(const TSTree *self, int fd) {
+  (void)self;
+  (void)fd;
+}
+
+#else
+
+#include <unistd.h>
+
 void ts_tree_print_dot_graph(const TSTree *self, int fd) {
   FILE *file = fdopen(dup(fd), "a");
   ts_subtree_print_dot_graph(self->root, self->language, file);
   fclose(file);
 }
+
+#endif