Land https://codereview.chromium.org/889083003/ to update libsrtp to upstream 1.5.0

srtp/crypto/kernel/err.c

Index: srtp/crypto/kernel/err.c
===================================================================
--- srtp/crypto/kernel/err.c	(revision 294174)
+++ srtp/crypto/kernel/err.c	(working copy)
@@ -42,6 +42,10 @@
  *
  */
 
+#ifdef HAVE_CONFIG_H
+    #include <config.h>
+#endif
+
 #include "err.h"
 
 #ifdef ERR_REPORTING_SYSLOG
@@ -57,7 +61,7 @@
 
 #ifdef SRTP_KERNEL_LINUX
 err_status_t
-err_reporting_init(char *ident) {
+err_reporting_init(const char *ident) {
 
   return err_status_ok;
 }
@@ -69,7 +73,7 @@
 static FILE *err_file = NULL;
 
 err_status_t
-err_reporting_init(char *ident) {
+err_reporting_init(const char *ident) {
 #ifdef ERR_REPORTING_SYSLOG
   openlog(ident, LOG_PID, LOG_AUTHPRIV);
 #endif
@@ -92,7 +96,7 @@
 }
 
 void
-err_report(int priority, char *format, ...) {
+err_report(int priority, const char *format, ...) {
   va_list args;
 
   if (priority <= err_level) {