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-rw-r--r--funcs/func_math.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/funcs/func_math.c b/funcs/func_math.c
index b06a6b2f6..4dbfac802 100644
--- a/funcs/func_math.c
+++ b/funcs/func_math.c
@@ -65,7 +65,7 @@ enum TypeOfResult {
CHAR_RESULT
};
-static int math(struct ast_channel *chan, char *cmd, char *parse,
+static int math(struct ast_channel *chan, const char *cmd, char *parse,
char *buf, size_t len)
{
float fnum1;