Add EOL after test message

If TEST_ASSERT_*_MESSAGE() is used and fails, next message is printed on the same line
without EOL. This change should improve the readability of output.

Author: skocjan

src/unity.c

@@ -631,6 +631,7 @@ static void UnityAddMsgIfSpecified(const char* msg)
     {
         UnityPrint(UnityStrSpacer);
         UnityPrint(msg);
+        UNITY_PRINT_EOL();
     }
 }