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-rw-r--r--src/csplit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/csplit.c b/src/csplit.c
index f8c3c025f..7d9904c3e 100644
--- a/src/csplit.c
+++ b/src/csplit.c
@@ -129,7 +129,7 @@ static void save_line_to_file (const struct cstring *line);
void usage (int status);
/* The name this program was run with. */
-char *program_name;
+char const *program_name;
/* Start of buffer list. */
static struct buffer_record *head = NULL;