patch 9.1.0581: Various lines are indented inconsistently

Problem:  style: Various lines are indented inconsistently
Solution: Retab these lines and correct some comments.
          (zeertzjq)

closes: #15259

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/globals.h b/src/globals.h
index fb5c7b3..12c4ff7 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -131,8 +131,8 @@
  */
 EXTERN int	mod_mask INIT(= 0);		// current key modifiers
 
-// The value of "mod_mask" and the unomdified character before calling
-// merge_modifyOtherKeys().
+// The value of "mod_mask" and the unmodified character in vgetc() after it has
+// called vgetorpeek() enough times.
 EXTERN int	vgetc_mod_mask INIT(= 0);
 EXTERN int	vgetc_char INIT(= 0);