File no-doc-for-lib.diff of Package rpmlint

--- FilesCheck.py
+++ FilesCheck.py
@@ -292,7 +292,7 @@
         log_file=0
         logrotate_file=0
 
-        if not doc_files:
+        if not lib_package and not doc_files:
             printWarning(pkg, 'no-documentation')
 
         if len(files.keys()) and meta_package_re.search(pkg.name):