sccp2sua: constify params of sccp_ptr_part_consistent()

Change-Id: I8011e5cf26d535120829c3925693a2bb3efdb864
---
M src/sccp2sua.c
1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/sccp2sua.c b/src/sccp2sua.c
index f18ebd7..59cb64b 100644
--- a/src/sccp2sua.c
+++ b/src/sccp2sua.c
@@ -431,9 +431,9 @@
  *  \param[in] msg Message containing SCCP address
  *  \param[in] ptr_addr pointer to byte with relative SCCP pointer
  *  \returns true if OK; false if message inconsistent */
-static bool sccp_ptr_part_consistent(struct msgb *msg, uint8_t *ptr_addr)
+static bool sccp_ptr_part_consistent(const struct msgb *msg, const uint8_t *ptr_addr)
 {
-	uint8_t *ptr;
+	const uint8_t *ptr;
 
 	/* check the address of the relative pointer is within msg */
 	if (ptr_addr < msg->data || ptr_addr > msg->tail) {

