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-rw-r--r--lib/ccan/str/test/run.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/ccan/str/test/run.c b/lib/ccan/str/test/run.c
index a15654f8f3..f253746e7b 100644
--- a/lib/ccan/str/test/run.c
+++ b/lib/ccan/str/test/run.c
@@ -6,7 +6,8 @@
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
-static char *substrings[] = { "far", "bar", "baz", "b", "ba", "z", "ar", NULL };
+static const char *substrings[] = { "far", "bar", "baz", "b", "ba", "z", "ar",
+ NULL };
#define NUM_SUBSTRINGS (ARRAY_SIZE(substrings) - 1)