Fixing whitespace problems

llvm-svn: 111751
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 940e211c87ceb6e43bf7a2bfd5df9783ad75ae6c
diff --git a/src/chrono.cpp b/src/chrono.cpp
index d06fbf7..606a6ad 100644
--- a/src/chrono.cpp
+++ b/src/chrono.cpp
@@ -15,7 +15,7 @@
 #include <cerrno>  // errno
 #include <system_error>  // __throw_system_error
 #include <time.h>  // clock_gettime, CLOCK_MONOTONIC
-#endif  /* __APPLE__ */
+#endif  // __APPLE__
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
@@ -103,7 +103,7 @@
     return time_point(duration(fp()));
 }
 
-#else  /* !APPLE */
+#else  // __APPLE__
 // FIXME: We assume that clock_gettime(CLOCK_MONOTONIC) works on
 // non-apple systems.  Instead, we should check _POSIX_TIMERS and
 // _POSIX_MONOTONIC_CLOCK and fall back to something else if those
@@ -121,7 +121,7 @@
         __throw_system_error(errno, "clock_gettime(CLOCK_MONOTONIC) failed");
     return time_point(seconds(tp.tv_sec) + nanoseconds(tp.tv_nsec));
 }
-#endif  /* APPLE */
+#endif  // __APPLE__
 
 }