[sanitizer,NFC] Fix long comment formating

Author: vitalybuka

compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp

@@ -210,7 +210,8 @@ namespace __sanitizer {
 
 #if SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD || SANITIZER_MAC
   unsigned struct_fstab_sz = sizeof(struct fstab);
-#endif  // SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD || SANITIZER_MAC
+#endif  // SANITIZER_GLIBC || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
+        // SANITIZER_MAC
 #if !SANITIZER_ANDROID
   unsigned struct_statfs_sz = sizeof(struct statfs);
   unsigned struct_sockaddr_sz = sizeof(struct sockaddr);