reword channle to channel

Change-Id: Ic45f99db717e1efcad4385cbbe1dd658e3a18bfb
diff --git a/btif/src/btif_sock_rfc.c b/btif/src/btif_sock_rfc.c
index ae03fcd..77db92c 100644
--- a/btif/src/btif_sock_rfc.c
+++ b/btif/src/btif_sock_rfc.c
@@ -776,7 +776,7 @@
                 }
                 else
                 {
-                    APPL_TRACE_ERROR("DISCOVERY_COMP_EVT slot id:%d, failed to find channle, \
+                    APPL_TRACE_ERROR("DISCOVERY_COMP_EVT slot id:%d, failed to find channel, \
                                       status:%d, scn:%d", id, p_data->disc_comp.status,
                                       p_data->disc_comp.scn);
                     rs = find_rfc_slot_by_id(id);