Fix sanitizer build

Add sanitizer flags to linker as well to resolve linker error.

Change-Id: I695baaf8ce78ed938f6f71c40d17120fa690338b
diff --git a/configure.ac b/configure.ac
index 8a8b93c..56e2057 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,6 +42,7 @@
 then
 	CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
 	CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
+	LDFLAGS="$LDFLAGS -fsanitize=address -fsanitize=undefined"
 fi
 
 AC_ARG_ENABLE(profile,