bitbake: lib: fix no newline at end of file

Add a '\n' to the last line of the file to fix:

No newline at end of file

(Bitbake rev: 54f1359ed2e9d47980cd221b7b43ef56543fe06d)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/pysh/sherrors.py

@@ -38,4 +38,4 @@ class ExitSignal(ShellError):
     
 class ReturnSignal(ShellError):
     """Exit signal."""
-    pass
+    pass

bitbake/lib/prserv/__init__.py

@@ -11,4 +11,4 @@ def init_logger(logfile, loglevel):
     logging.basicConfig(level=numeric_level, filename=logfile, format=FORMAT)
 
 class NotFoundError(Exception):
-    pass
+    pass