Merge pull request #1543 from assimp/issue_1533

closes https://github.com/assimp/assimp/issues/1533:

doc/Doxyfile.in

@@ -725,7 +725,7 @@ RECURSIVE              = YES
 # Note that relative paths are relative to the directory from which doxygen is 
 # run.
 
-EXCLUDE                = 
+EXCLUDE                = irrXML.h
 
 # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or 
 # directories that are symbolic links (a Unix file system feature) are excluded