[PATCH BlueZ] cfg: Add check for newly used function in ELL

[Brian Gix <brian.gix@xxxxxxxxx>]

ELL has a new dependancy for rawmemchr() which needs to be accounted for
at configure time.
---
 configure.ac | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure.ac b/configure.ac
index d6347c098..6f4096c88 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,6 +49,8 @@ AC_ARG_ENABLE(threads, AC_HELP_STRING([--enable-threads],
 
 AC_CHECK_FUNCS(explicit_bzero)
 
+AC_CHECK_FUNCS(rawmemchr)
+
 AC_CHECK_FUNC(signalfd, dummy=yes,
 			AC_MSG_ERROR(signalfd support is required))
 
-- 
2.25.4