system_wrappers: Fix include header guards.

webrtc/system_wrappers/include/data_log_impl.h

Index: webrtc/system_wrappers/include/data_log_impl.h
diff --git a/webrtc/system_wrappers/include/data_log_impl.h b/webrtc/system_wrappers/include/data_log_impl.h
index 56d98f891ebd0728889c3743596534d134ae7f68..1932a345b6e4d48c3a54cc6535db591807557dbc 100644
--- a/webrtc/system_wrappers/include/data_log_impl.h
+++ b/webrtc/system_wrappers/include/data_log_impl.h
@@ -14,8 +14,8 @@
 // These classes are helper classes used for logging data for offline
 // processing. Data logged with these classes can conveniently be parsed and
 // processed with e.g. Matlab.
-#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_DATA_LOG_IMPL_H_
-#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_DATA_LOG_IMPL_H_
+#ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_DATA_LOG_IMPL_H_
+#define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_DATA_LOG_IMPL_H_
 
 #include <map>
 #include <sstream>
@@ -152,4 +152,4 @@ class DataLogImpl {
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_DATA_LOG_IMPL_H_
+#endif  // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_DATA_LOG_IMPL_H_