update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / libs / graph / src / graphml.cpp

diff --git a/ceph/src/boost/libs/graph/src/graphml.cpp b/ceph/src/boost/libs/graph/src/graphml.cpp
index 72f54cf9d1e9ef8b3b23b490bac7c4b7b33d14c6..af930fad9f2baca7658e2fd2e2a34e9f719b954f 100644 (file)
--- a/ceph/src/boost/libs/graph/src/graphml.cpp
+++ b/ceph/src/boost/libs/graph/src/graphml.cpp
@@ -18,6 +18,9 @@
 #include <boost/graph/dll_import_export.hpp>
 #include <boost/property_tree/ptree.hpp>
 #include <boost/property_tree/xml_parser.hpp>
+#include <map>
+#include <string>
+#include <vector>
 
 using namespace boost;
 
@@ -162,8 +165,8 @@ public:
                 std::string local_directed
                     = edge.second.get(path("<xmlattr>/directed"), "");
                 bool is_directed
-                    = (local_directed == "" ? default_directed
-                                            : local_directed == "true");
+                    = (local_directed.empty() ? default_directed
+                                              : local_directed == "true");
                 if (is_directed != m_g.is_directed())
                 {
                     if (is_directed)