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-rw-r--r--src/comm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/comm.c b/src/comm.c
index 267ec789f..4700ca00e 100644
--- a/src/comm.c
+++ b/src/comm.c
@@ -40,7 +40,7 @@
#define min(x, y) ((x) < (y) ? (x) : (y))
/* The name this program was run with. */
-char *program_name;
+char const *program_name;
/* True if the LC_COLLATE locale is hard. */
static bool hard_LC_COLLATE;