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-rw-r--r--misc/logout.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/misc/logout.c b/misc/logout.c
index 11da24f1c8..40ae25456f 100644
--- a/misc/logout.c
+++ b/misc/logout.c
@@ -48,7 +48,7 @@ typedef struct utmp UTMP;
 
 int
 logout(line)
-	register char *line;
+	register const char *line;
 {
 	register int fd;
 	UTMP ut;