1 files changed, 3 insertions, 3 deletions
diff --git a/extern/libmv/third_party/ceres/internal/ceres/canonical_views_clustering.h b/extern/libmv/third_party/ceres/internal/ceres/canonical_views_clustering.h
index 2d1eb403995..5f8e4e3e5dd 100644
--- a/extern/libmv/third_party/ceres/internal/ceres/canonical_views_clustering.h
+++ b/extern/libmv/third_party/ceres/internal/ceres/canonical_views_clustering.h
@@ -43,16 +43,16 @@
 
 #include <vector>
 
-#include <glog/logging.h>
 #include "ceres/collections_port.h"
 #include "ceres/graph.h"
-#include "ceres/map_util.h"
 #include "ceres/internal/macros.h"
+#include "ceres/map_util.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
 
-class CanonicalViewsClusteringOptions;
+struct CanonicalViewsClusteringOptions;
 
 // Compute a partitioning of the vertices of the graph using the
 // canonical views clustering algorithm.