fix 32bits issue

[remicollet]

From Fedora QA, on 32bits

There were 2 errors:
1) Faker\Test\Provider\DateTimeTest::testDateTimeAD
mt_rand() expects parameter 1 to be integer, float given
/builddir/build/BUILDROOT/php-Faker-1.5.0-5.fc25.noarch/usr/share/php/Faker/Provider/DateTime.php:56
/builddir/build/BUILD/Faker-d0190b156bcca848d401fb80f31f504f37141c8d/test/Faker/Provider/DateTimeTest.php:27
2) Faker\Test\Provider\DateTimeTest::testFixedSeedWithMaximumTimestamp
mt_rand() expects parameter 1 to be integer, float given
/builddir/build/BUILDROOT/php-Faker-1.5.0-5.fc25.noarch/usr/share/php/Faker/Provider/DateTime.php:56
/builddir/build/BUILD/Faker-d0190b156bcca848d401fb80f31f504f37141c8d/test/Faker/Provider/DateTimeTest.php:83

[remicollet]

Second commit is for

There was 1 error:
1) Faker\Test\Provider\InternetTest::testLocalIpv4
mt_rand() expects parameter 1 to be integer, float given
/builddir/build/BUILDROOT/php-Faker-1.5.0-6.fc25.noarch/usr/share/php/Faker/Provider/Base.php:119
/builddir/build/BUILDROOT/php-Faker-1.5.0-6.fc25.noarch/usr/share/php/Faker/Provider/Internet.php:317
/builddir/build/BUILD/Faker-d0190b156bcca848d401fb80f31f504f37141c8d/test/Faker/Provider/InternetTest.php:103

[fzaninotto]

Thanks!

[remicollet]

Thanks for the quick merge.

FYI, Fedora QA history for this package:
https://apps.fedoraproject.org/koschei/package/php-Faker?collection=f25

While travis raise build on code change, Koschei raise build on dependency change, which is complementary. And travis is x86_64 only.