Fix exclusion of TinyXML from doc generation.

Documentation/Doxylocal

@@ -7,6 +7,12 @@ INPUT                  = @PROJECT_SOURCE_DIR@/@src_DIR@/ \
                          @PROJECT_SOURCE_DIR@/tutorials/ \
                          @PROJECT_SOURCE_DIR@/examples/
 
+# The EXCLUDE tag can be used to specify files and/or directories that should
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+
+EXCLUDE                =  @PROJECT_SOURCE_DIR@/@src_DIR@/core/utility/parameters/tinyxml
+
 # If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag
 # can be used to strip a user-defined part of the path. Stripping is
 # only done if one of the specified strings matches the left-hand part of

cmake/Templates/Doxyfile

@@ -608,7 +608,7 @@ RECURSIVE              = YES
 # excluded from the INPUT source files. This way you can easily exclude a
 # subdirectory from a directory tree whose root is specified with the INPUT tag.
 
-EXCLUDE                = opm/core/utility/parameters/tinyxml
+EXCLUDE                =
 
 # The EXCLUDE_SYMLINKS tag can be used select whether or not files or
 # directories that are symbolic links (a Unix file system feature) are excluded