Linux compilation

diff --git a/modules/photo/test/test_hdr.cpp b/modules/photo/test/test_hdr.cpp
index efc3774..569f3a3 100644 (file)
--- a/modules/photo/test/test_hdr.cpp
+++ b/modules/photo/test/test_hdr.cpp
@@ -79,7 +79,7 @@ void loadExposureSeq(String path, vector<Mat>& images, vector<float>& times = DE
 void loadResponseCSV(String path, Mat& response)
 {
        response = Mat(256, 1, CV_32FC3);
-    ifstream resp_file(path);
+    ifstream resp_file(path.c_str());
        for(int i = 0; i < 256; i++) {
                for(int c = 0; c < 3; c++) {
                        resp_file >> response.at<Vec3f>(i)[c];