Merge branch 'upstream-kwsys' into update-kwsys

Source/kwsys/.gitattributes

@@ -0,0 +1,16 @@
+.git*            export-ignore
+.gitattributes  -export-ignore
+
+/GitSetup        export-ignore
+/SetupForDevelopment.sh  export-ignore  eol=lf
+
+/CONTRIBUTING.rst conflict-marker-size=78
+
+*.c              whitespace=tab-in-indent,no-lf-at-eof
+*.h              whitespace=tab-in-indent,no-lf-at-eof
+*.h.in           whitespace=tab-in-indent,no-lf-at-eof
+*.cxx            whitespace=tab-in-indent,no-lf-at-eof
+*.hxx            whitespace=tab-in-indent,no-lf-at-eof
+*.hxx.in         whitespace=tab-in-indent,no-lf-at-eof
+*.txt            whitespace=tab-in-indent,no-lf-at-eof
+*.cmake          whitespace=tab-in-indent,no-lf-at-eof

Source/kwsys/DynamicLoader.cxx

@@ -48,6 +48,10 @@ DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const kwsys_stl::string&
 //----------------------------------------------------------------------------
 int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
 {
+  if (!lib)
+    {
+    return 0;
+    }
   return !shl_unload(lib);
 }
 

Source/kwsys/Glob.hxx.in

@@ -59,6 +59,12 @@ public:
       type(msg.type),
       content(msg.content)
     {}
+    Message& operator=(Message const& msg)
+      {
+      this->type = msg.type;
+      this->content = msg.content;
+      return *this;
+      }
   };
 
   typedef kwsys_stl::vector<Message> GlobMessages;