pw_log: A typo in comment

Change-Id: I63146713285fc8bc58c31f3ca4d68046cc9dc077
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/12720
Reviewed-by: Keir Mierle <keir@google.com>
Commit-Queue: Keir Mierle <keir@google.com>
diff --git a/pw_log/public/pw_log/log.h b/pw_log/public/pw_log/log.h
index 1eaab54..0fc5908 100644
--- a/pw_log/public/pw_log/log.h
+++ b/pw_log/public/pw_log/log.h
@@ -95,7 +95,7 @@
       PW_HANDLE_LOG(level, flags, message, __VA_ARGS__); \
     }                                                    \
   } while (0)
-#endif  // PW_LOG_DEBUG
+#endif  // PW_LOG
 
 // For backends that elect to only provide the general PW_LOG() macro and not
 // specialized versions, define the standard PW_LOG_<level>() macros in terms