doxygen: Fix typo and drop wrong EXCLUDE

Signed-off-by: Diego Biurrun <diego@biurrun.de>

doc/doxygen.cfg.in

@@ -25,7 +25,7 @@ DOXYFILE_ENCODING      = UTF-8
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.
 
-PROJECT_NAME           = @PACKAGE_NAME
+PROJECT_NAME           = @PACKAGE_NAME@
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. 
 # This could be handy for archiving the generated documentation or 
@@ -552,7 +552,7 @@ 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                = ../src/config.h
+EXCLUDE                =
 
 # The EXCLUDE_SYMLINKS tag can be used select whether or not files or 
 # directories that are symbolic links (a Unix filesystem feature) are excluded