Fix memcached test

scripts/tests/memcached

@@ -3,16 +3,20 @@
 set -o errexit
 set -o nounset
 
+rc=0
 MODULE_CONFIGURATION="$(php --ri memcached)"
 if test $1 -ge 70000; then
 	if php --ri igbinary >/dev/null 2>/dev/null; then
 		if test -z "$(printf '%s' "$MODULE_CONFIGURATION" | grep 'igbinary support => yes')"; then
 			echo 'igbinary support has NOT been enabled!' >&2
+			rc=1
 		fi
 	fi
 	if php --ri msgpack >/dev/null 2>/dev/null; then
 		if test -z "$(printf '%s' "$MODULE_CONFIGURATION" | grep 'msgpack support => yes')"; then
 			echo 'msgpack support has NOT been enabled!' >&2
+			rc=1
 		fi
 	fi
 fi
+exit $rc