compiler: Sort static_assert()s

Keep them in a sensible order for the purpose of adding new entries.

Change-Id: I58df3603863ef28a31b1be1158ddde40f47975eb
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/src/compiler.h b/src/compiler.h
index 5a2b28e..c10ebfe 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -13,14 +13,14 @@
 static struct {
 	static_assert(__has_attribute(always_inline),
 		      "`always_inline` attribute is required");
+	static_assert(__has_attribute(cleanup),
+		      "`cleanup` attribute is required");
 	static_assert(__has_attribute(nonnull),
 		      "`nonnull` attribute is required");
 	static_assert(__has_attribute(unused),
 		      "`unused` attribute is required");
 	static_assert(__has_attribute(warn_unused_result),
 		      "`warn_unused_result` attribute is required");
-	static_assert(__has_attribute(cleanup),
-		      "`cleanup` attribute is required");
 	int compliance;
 } pldm_required_attributes __attribute__((unused));