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-rw-r--r--src/base64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/base64.c b/src/base64.c
index a3a73451e..fd9d114dd 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -38,7 +38,7 @@
#define AUTHORS proper_name ("Simon Josefsson")
/* The invocation name of this program. */
-char *program_name;
+char const *program_name;
static const struct option long_options[] = {
{"decode", no_argument, 0, 'd'},