removed unnecessary members of CvCapture_OpenNI

modules/highgui/src/cap.cpp

@@ -326,6 +326,11 @@ CV_IMPL CvCapture * cvCreateFileCapture (const char * filename)
     if (! result)
         result = cvCreateFileCapture_AVFoundation (filename);
     #endif
+
+    #ifdef HAVE_OPENNI
+    if (! result)
+        result = cvCreateFileCapture_OpenNI (filename);
+    #endif
     
     if (! result)
         result = cvCreateFileCapture_Images (filename);

modules/highgui/src/precomp.hpp

@@ -132,6 +132,7 @@ CvVideoWriter* cvCreateVideoWriter_VFW( const char* filename, int fourcc,
                                         double fps, CvSize frameSize, int is_color );
 CvCapture* cvCreateCameraCapture_DShow( int index );
 CvCapture* cvCreateCameraCapture_OpenNI( int index );
+CvCapture* cvCreateFileCapture_OpenNI( const char* filename );
 CvCapture* cvCreateCameraCapture_Android( int index );
 CvCapture* cvCreateCameraCapture_XIMEA( int index );
 CvCapture* cvCreateCameraCapture_AVFoundation(int index);