Update TechDraw_TreeSymbol.svg

metadata name updated

src/Mod/TechDraw/Gui/Resources/icons/TechDraw_TreeSymbol.svg

@@ -562,7 +562,7 @@
         <dc:source>http://agryson.net</dc:source>
         <cc:license
            rdf:resource="" />
-        <dc:title>TechDraw_Tree_Symbol</dc:title>
+        <dc:title>TechDraw_TreeSymbol</dc:title>
         <dc:date>2016-04-27</dc:date>
         <dc:relation>http://www.freecadweb.org/wiki/index.php?title=Artwork</dc:relation>
         <dc:publisher>
@@ -570,7 +570,7 @@
             <dc:title>FreeCAD</dc:title>
           </cc:Agent>
         </dc:publisher>
-        <dc:identifier>FreeCAD/src/Mod/TechDraw/Gui/Resources/icons/TechDraw_Tree_Symbol.svg</dc:identifier>
+        <dc:identifier>FreeCAD/src/Mod/TechDraw/Gui/Resources/icons/TechDraw_TreeSymbol.svg</dc:identifier>
         <dc:rights>
           <cc:Agent>
             <dc:title>FreeCAD LGPL2+</dc:title>