[libgtop] Fix comment

[Robert Roth <robertroth src gnome org>]

commit ae99056bdf7216e0594172fb6ec370cafe93f44c
Author: James Dominic P. Guana <guana histark gmail com>
Date:   Tue Apr 20 08:01:24 2021 +0000

    Fix comment

 glibtop.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/glibtop.h b/glibtop.h
index 352654f2..dd543f7e 100644
--- a/glibtop.h
+++ b/glibtop.h
@@ -81,7 +81,7 @@ struct _glibtop
        int ncpu;                       /* Number of CPUs, zero if single-processor */
        int real_ncpu;                  /* Real number of CPUs. Only ncpu are monitored */
        int ndisk;                          /* Number of DISKs,  zero if single-disk. This pertains to disk 
volumes */
-       int real_ndisk;                 /* Number of PHYSICAL DISKs. Only ndisk is monitored for now */
+       int real_ndisk;         /* Number of PHYSICAL DISKs. Only ndisk is monitored for now */
        unsigned long os_version_code;  /* Version code of the operating system */
        const char *name;               /* Program name for error messages */
        const char *server_command;     /* Command used to invoke server */