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-rw-r--r--src/groups.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/groups.c b/src/groups.c
index f61e07ab0..c67ac6e0a 100644
--- a/src/groups.c
+++ b/src/groups.c
@@ -30,7 +30,7 @@
#include "group-list.h"
/* The name this program was run with. */
-char *program_name;
+char const *program_name;
/* The official name of this program (e.g., no `g' prefix). */
#define PROGRAM_NAME "groups"