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-rw-r--r--tools/perf/util/hist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index f75c5f62401c..9a71c94f057a 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -662,7 +662,7 @@ size_t hists__fprintf(struct hists *self, struct hists *pair,
long displacement = 0;
unsigned int width;
const char *sep = symbol_conf.field_sep;
- char *col_width = symbol_conf.col_width_list_str;
+ const char *col_width = symbol_conf.col_width_list_str;
init_rem_hits();