obmc-console: Fix bugprone-macro-parentheses

For example:

```
/usr/bin/clang-tidy -checks=-*, bugprone-macro-parentheses -export-fixes /tmp/tmpzth2fheg/tmp9x7dpgyc.yaml -p=build /mnt/host/andrew/home/andrew/src/openbmc/obmc-console/console-server.c
/mnt/host/andrew/home/andrew/src/openbmc/obmc-console/build/../console-server.h:150:43: error: macro argument should be enclosed in parentheses [bugprone-macro-parentheses,-warnings-as-errors]
                                          ^
                                          ()
```

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: I10b93e2b3e16b51bcdf2adf113a38e67bce37e88
diff --git a/console-server.h b/console-server.h
index a98f477..cbe41e9 100644
--- a/console-server.h
+++ b/console-server.h
@@ -147,7 +147,7 @@
 /* utils */
 int write_buf_to_fd(int fd, const uint8_t *buf, size_t len);
 
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
 
 #ifndef offsetof
 #define offsetof(type, member) ((unsigned long)&((type *)NULL)->member)
diff --git a/test/test-client-escape.c b/test/test-client-escape.c
index 43998fc..d7a9957 100644
--- a/test/test-client-escape.c
+++ b/test/test-client-escape.c
@@ -150,7 +150,7 @@
 	},
 };
 
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
 
 struct test_ctx ctxs[ARRAY_SIZE(tests)];