Tweak security logging module. Add security_error macro.

src/security/logging.rs

@@ -1,19 +1,25 @@
-// A macro for logging of security events.
-// Currently just creates a normal info-level log entry.
-// However, this dedicated macro is intended as a reminder that security-related
+// Macros for logging security events.
+// Currently these just create a normal log entry,
+// but they're intended as a reminder that security-related
 // logging should be handled with special care (by a security-logging-plugin in
-// the future?) So it acts as a placeholder for more to come.
+// the future?) So they act as a placeholder for more to come.
 #[macro_export]
 macro_rules! security_info {
   ($($arg:tt)*) => (
       {log::info!($($arg)*);}
     )
 }
 
-// Same as above, just with warn-level
 #[macro_export]
 macro_rules! security_warn {
   ($($arg:tt)*) => (
       {log::warn!($($arg)*);}
     )
 }
+
+#[macro_export]
+macro_rules! security_error {
+  ($($arg:tt)*) => (
+      {log::error!($($arg)*);}
+    )
+}