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-rw-r--r--main/cdr.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/main/cdr.c b/main/cdr.c
index 65c4e3e01..169625fca 100644
--- a/main/cdr.c
+++ b/main/cdr.c
@@ -282,10 +282,10 @@ void ast_cdr_getvar(struct ast_cdr *cdr, const char *name, char **ret, char *wor
}
/* readonly cdr variables */
-static const char *cdr_readonly_vars[] = { "clid", "src", "dst", "dcontext", "channel", "dstchannel",
- "lastapp", "lastdata", "start", "answer", "end", "duration",
- "billsec", "disposition", "amaflags", "accountcode", "uniqueid",
- "userfield", NULL };
+static const char * const cdr_readonly_vars[] = { "clid", "src", "dst", "dcontext", "channel", "dstchannel",
+ "lastapp", "lastdata", "start", "answer", "end", "duration",
+ "billsec", "disposition", "amaflags", "accountcode", "uniqueid",
+ "userfield", NULL };
/*! Set a CDR channel variable
\note You can't set the CDR variables that belong to the actual CDR record, like "billsec".
*/