Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/log_severity.h b/runtime/log_severity.h
index bb7679d..31682df 100644
--- a/runtime/log_severity.h
+++ b/runtime/log_severity.h
@@ -20,6 +20,6 @@
 typedef int LogSeverity;
 
 const int VERBOSE = 0, DEBUG = 1, INFO = 2, WARNING = 3, ERROR = 4, FATAL = 5;
-const int INTERNAL_FATAL = 6; // For Runtime::Abort.
+const int INTERNAL_FATAL = 6;  // For Runtime::Abort.
 
 #endif  // ART_RUNTIME_LOG_SEVERITY_H_