Fixed regression when nested class were processed before their parent

src/doxygen.cpp

@@ -1293,12 +1293,14 @@ static void addClassToContext(EntryNav *rootNav)
     {
       tagName     = rootNav->tagInfo()->tagName;
       refFileName = rootNav->tagInfo()->fileName;
-    }
       int i;
       if ((i=fullName.find("::"))!=-1) 
+        // symbols imported via tag files may come without the parent scope, 
+        // so we artificially create it here
       {
         buildScopeFromQualifiedName(fullName,fullName.contains("::"),root->lang);
       }
+    }
     cd=new ClassDef(root->fileName,root->startLine,root->startColumn,
         fullName,sec,tagName,refFileName,TRUE,root->spec&Entry::Enum);
     Debug::print(Debug::Classes,0,"  New class `%s' (sec=0x%08x)! #tArgLists=%d\n",