clean up some compiler warnings

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7327 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 3b8b9b81b10734b641db913f293b6b25b72bd94b..16644eae38125af7e2fc914020e9eac5b2874817 100644 (file)
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -2004,7 +2004,7 @@ static int zt_call(struct ast_channel *ast, char *rdest, int timeout)
 #ifdef ZAPATA_PRI
        if (p->pri) {
                struct pri_sr *sr;
-               char *useruser;
+               const char *useruser;
                int pridialplan;
                int dp_strip;
                int prilocaldialplan;
@@ -2510,7 +2510,7 @@ static int zt_hangup(struct ast_channel *ast)
                /* Perform low level hangup if no owner left */
 #ifdef ZAPATA_PRI
                if (p->pri) {
-                       char *useruser = pbx_builtin_getvar_helper(ast,"USERUSERINFO");
+                       const char *useruser = pbx_builtin_getvar_helper(ast,"USERUSERINFO");
                        /* Make sure we have a call (or REALLY have a call in the case of a PRI) */
                        if (p->call && (!p->bearer || (p->bearer->call == p->call))) {
                                if (!pri_grab(p, p->pri)) {
@@ -2522,7 +2522,7 @@ static int zt_hangup(struct ast_channel *ast)
                                                if (p->bearer) 
                                                        p->bearer->call = NULL;
                                        } else {
-                                               char *cause = pbx_builtin_getvar_helper(ast,"PRI_CAUSE");
+                                               const char *cause = pbx_builtin_getvar_helper(ast,"PRI_CAUSE");
                                                int icause = ast->hangupcause ? ast->hangupcause : -1;
                                                ast_log(LOG_DEBUG, "Not yet hungup...  Calling hangup once with icause, and clearing call\n");
                                                pri_call_set_useruser(p->call, useruser);