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-rw-r--r--src/unexpand.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/unexpand.c b/src/unexpand.c
index 0fd738ad0..c019ce07f 100644
--- a/src/unexpand.c
+++ b/src/unexpand.c
@@ -124,7 +124,7 @@ add_tabstop (int tabval)
to the list of tabstops. */
static void
-parse_tabstops (char *stops)
+parse_tabstops (const char *stops)
{
int tabval = -1;
@@ -152,7 +152,7 @@ parse_tabstops (char *stops)
contains only nonzero, ascending values. */
static void
-validate_tabstops (int *tabs, int entries)
+validate_tabstops (const int *tabs, int entries)
{
int prev_tab = 0;
int i;