[libc] fix minor nits

Author: bojle

libc/src/__support/OSUtil/darwin/exit.cpp

@@ -15,9 +15,8 @@ namespace LIBC_NAMESPACE_DECL {
 namespace internal {
 
 [[noreturn]] void exit(int status) {
-  for (;;) {
+  for (;;)
     LIBC_NAMESPACE::syscall_impl<long>(SYS_exit, status);
-  }
 }
 
 } // namespace internal

libc/src/__support/time/darwin/clock_gettime.cpp

@@ -21,19 +21,17 @@ namespace LIBC_NAMESPACE_DECL {
 namespace internal {
 
 ErrorOr<int> clock_gettime(clockid_t clockid, struct timespec *ts) {
-  if (clockid != CLOCK_REALTIME) {
+  if (clockid != CLOCK_REALTIME)
     return Error(EINVAL);
-  }
   struct timeval tv;
   // The second argument to gettimeofday is a timezone pointer
   // The third argument is mach_absolute_time
   // Both of these, we don't need here, so they are 0
   long ret = LIBC_NAMESPACE::syscall_impl<long>(
       SYS_gettimeofday, reinterpret_cast<long>(&tv), 0, 0);
-  if (ret != 0) {
+  if (ret != 0)
     // The syscall returns -1 on error and sets errno.
     return Error(EINVAL);
-  }
 
   ts->tv_sec = tv.tv_sec;
   ts->tv_nsec = tv.tv_usec * 1000;

libc/src/time/darwin/clock_gettime.cpp

@@ -1,11 +1,10 @@
-//===---------- Darwin implementation of the POSIX clock_gettime function
-//--===//
+//===---- Darwin implementation of the POSIX clock_gettime function --===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-//===----------------------------------------------------------------------===//
+//===-----------------------------------------------------------------===//
 
 #include "src/time/clock_gettime.h"