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-rw-r--r--src/shuf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/shuf.c b/src/shuf.c
index cdba97bc8..359aeb0c8 100644
--- a/src/shuf.c
+++ b/src/shuf.c
@@ -37,7 +37,7 @@
#define AUTHORS proper_name ("Paul Eggert")
/* The name this program was run with. */
-char *program_name;
+char const *program_name;
void
usage (int status)