fix build. update doc.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/3rdParty/efsw/FileInfo.hpp b/src/3rdParty/efsw/FileInfo.hpp
index a8dd3d3..f1bcf4b 100755
--- a/src/3rdParty/efsw/FileInfo.hpp
+++ b/src/3rdParty/efsw/FileInfo.hpp
@@ -18,10 +18,12 @@ class FileInfo {
 
         FileInfo();
 
-        FileInfo( const std::string& filepath );
+        explicit FileInfo( const std::string& filepath );
 
         FileInfo( const std::string& filepath, bool linkInfo );
 
+        FileInfo( const FileInfo& ) = default;
+
         bool operator==( const FileInfo& Other ) const;
 
         bool operator!=( const FileInfo& Other ) const;