clang-format all source
diff --git a/include/grpc/support/cmdline.h b/include/grpc/support/cmdline.h
index e5a2666..028dac2 100644
--- a/include/grpc/support/cmdline.h
+++ b/include/grpc/support/cmdline.h
@@ -94,4 +94,4 @@
 }
 #endif
 
-#endif  /* GRPC_SUPPORT_CMDLINE_H */
+#endif /* GRPC_SUPPORT_CMDLINE_H */