fix little bug

BaseTracker/hungarian_gpu/hungarian_cuda.cu

@@ -67,7 +67,7 @@ const int log2_data_block_size = log2_n + klog2(columns_per_block_step_4);
 
 //data h_cost[ncols][nrows];
 int h_column_of_star_at_row[nrows];
-int h_row_of_star_at_column[nrows];
+int h_row_of_star_at_column[ncols];
 
 __device__ data slack[nrows*ncols];						// The slack matrix
 __device__ data min_in_rows[nrows];						// Minimum in rows