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-rw-r--r--src/head.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/head.c b/src/head.c
index 4e9beea4c..a52f151cf 100644
--- a/src/head.c
+++ b/src/head.c
@@ -65,7 +65,7 @@ enum header_mode
};
/* The name this program was run with. */
-char *program_name;
+char const *program_name;
/* Have we ever read standard input? */
static bool have_read_stdin;