Add missing backslash to RegEX

Signed-off-by: JoeLametta <[email protected]>

whipper/test/test_result_logger.py

@@ -141,7 +141,7 @@ def testLogger(self):
             actualLines[0],
             re.compile((
                 r'Log created by: whipper '
-                r'[\d]+\.[\d]+.[\d]+\.dev[\w\.\+]+ \(internal logger\)'
+                r'[\d]+\.[\d]+\.[\d]+\.dev[\w\.\+]+ \(internal logger\)'
             ))
         )
         self.assertRegexpMatches(