Fix missing comma

This is discovered by Clang's -Wstring-concatenation diagnostic.

Change-Id: I6a46d8e1315982a0f8dfadd77cfe6747ec00be6c
diff --git a/bcmdhd/dhdutil/bcmutils.c b/bcmdhd/dhdutil/bcmutils.c
index 0fdbe73..655d267 100644
--- a/bcmdhd/dhdutil/bcmutils.c
+++ b/bcmdhd/dhdutil/bcmutils.c
@@ -1776,7 +1776,7 @@
 	"AES_CCM",
 	"AES_OCB_MSDU",
 	"AES_OCB_MPDU",
-	"NALG"
+	"NALG",
 	"UNDEF",
 	"UNDEF",
 	"UNDEF",