minor formating

modules/features2d/src/descriptors.cpp

@@ -396,8 +396,8 @@ void OpponentColorDescriptorExtractor::computeImpl( const Mat& bgrImage, vector<
     // cp - current channel position
     size_t cp[] = {0, 0, 0}; 
     while( cp[0] < channelKeypoints[0].size() &&
-                                  cp[1] < channelKeypoints[1].size() && 
+           cp[1] < channelKeypoints[1].size() &&
-                                  cp[2] < channelKeypoints[2].size() )
+           cp[2] < channelKeypoints[2].size() )
     {
         const int maxInitIdx = std::max( channelKeypoints[0][idxs[0][cp[0]]].class_id,
                                          std::max( channelKeypoints[1][idxs[1][cp[1]]].class_id,