fixed dependencies

vendor/gocv.io/x/gocv/imgcodecs.h

@@ -0,0 +1,26 @@
+#ifndef _OPENCV3_IMGCODECS_H_
+#define _OPENCV3_IMGCODECS_H_
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+#include <opencv2/opencv.hpp>
+extern "C" {
+#endif
+
+#include "core.h"
+
+Mat Image_IMRead(const char* filename, int flags);
+bool Image_IMWrite(const char* filename, Mat img);
+bool Image_IMWrite_WithParams(const char* filename, Mat img, IntVector params);
+void Image_IMEncode(const char* fileExt, Mat img, void* vector);
+
+void Image_IMEncode_WithParams(const char* fileExt, Mat img, IntVector params, void* vector);
+Mat Image_IMDecode(ByteArray buf, int flags);
+void Image_IMDecodeIntoMat(ByteArray buf, int flag, Mat dest);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //_OPENCV3_IMGCODECS_H_