whitespace cleanup

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
diff --git a/include/grp_.h b/include/grp_.h
index 7a95f88..5c24d55 100644
--- a/include/grp_.h
+++ b/include/grp_.h
@@ -18,7 +18,7 @@
    02111-1307 USA.
  */
 /*
- *	POSIX Standard: 9.2.1 Group Database Access	<grp.h>
+ * POSIX Standard: 9.2.1 Group Database Access	<grp.h>
  */
 #ifndef BB_GRP_H
 #define BB_GRP_H 1