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-rw-r--r--diff-cache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/diff-cache.c b/diff-cache.c
index e3c4c8155c..47a4e09ecc 100644
--- a/diff-cache.c
+++ b/diff-cache.c
@@ -163,7 +163,7 @@ static void mark_merge_entries(void)
}
}
-static char *diff_cache_usage =
+static const char diff_cache_usage[] =
"git-diff-cache [-m] [--cached] "
"[<common diff options>] <tree-ish> [<path>...]"
COMMON_DIFF_OPTIONS_HELP;