update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/enum_missing.i

@@ -0,0 +1,39 @@
+%module enum_missing
+
+// Test when SWIG does not parse the enum definition
+%{
+enum AVPixelFormat {
+    AV_PIX_FMT_NONE = -1,
+    AV_PIX_FMT_YUV420P
+};
+enum AVPixelFormat2 {
+    AV_PIX_FMT_NONE2 = -1,
+    AV_PIX_FMT_YUV420P2
+};
+
+%}
+
+%inline %{
+typedef struct AVCodecCtx {
+  enum AVPixelFormat pix_fmt;
+  enum AVPixelFormat2 pix_fmt2;
+} AVCodecCtx;
+
+enum AVPixelFormat global_fmt;
+enum AVPixelFormat2 global_fmt2;
+
+enum AVPixelFormat use_pixel_format(enum AVPixelFormat px) {
+  return px;
+}
+enum AVPixelFormat * use_pixel_format_ptr(enum AVPixelFormat *px) {
+  return px;
+}
+
+enum AVPixelFormat2 use_pixel_format2(const enum AVPixelFormat2 px) {
+  return px;
+}
+const enum AVPixelFormat2 * use_pixel_format_ptr2(const enum AVPixelFormat2 *px) {
+  return px;
+}
+%}
+