style: Fix indentation and style in (radix system monitoring)

radix/system/monitoring.scm

@@ -50,15 +50,15 @@
                              (cut string-split <> #\ )
                              string-trim
                              cadr)
-                     line)))
+                    line)))
            (cut string-split <> #\:))
          lines)))
 
 (define (ram-total)
   (call-with-input-file "/proc/meminfo"
     (lambda (port)
-      (read port)
+      (let ((_ (read port)))
-      (* (read port)))))
+        (read port)))))
 
 (define (current-ram-usage)
   (apply - (map (cut assoc-ref (current-memory-info) <>)