minor symfony#16208 [ci] load php_memcache.dll and apcu.so (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
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[ci] load php_memcache.dll and apcu.so

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
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2704033 [ci] load php_memcache.dll and apcu.so

Author: nicolas-grekas

.travis.yml

@@ -32,8 +32,8 @@ before_install:
     - if [[ "$TRAVIS_PHP_VERSION" != "hhvm" ]]; then echo "memory_limit = -1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi;
     - if [[ "$TRAVIS_PHP_VERSION" = 5.* ]]; then phpenv config-rm xdebug.ini; fi;
     - if [[ "$TRAVIS_PHP_VERSION" = 5.* ]]; then echo "extension = mongo.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;
-    - if [[ "$TRAVIS_PHP_VERSION" =~ 5.[34] ]]; then echo -e "extension = apc.so\napc.enable_cli = 1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;
-    - if [[ "$TRAVIS_PHP_VERSION" = 5.* ]]; then (pecl install -f memcached-2.1.0 && echo "extension = memcache.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini) || echo "Let's continue without memcache extension"; fi;
+    - if [[ "$TRAVIS_PHP_VERSION" = 5.* ]]; then (echo yes | pecl install -f apcu-4.0.7 && echo "apc.enable_cli = 1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini) || echo "Let's continue without apcu extension"; fi;
+    - if [[ "$TRAVIS_PHP_VERSION" = 5.* ]]; then pecl install -f memcached-2.1.0 || echo "Let's continue without memcached extension"; fi;
     - if [[ "$TRAVIS_PHP_VERSION" != "hhvm" ]]; then php -i; fi;
     - if [ "$deps" != "skip" ]; then ./phpunit install; fi;
     - export PHPUNIT="$(readlink -f ./phpunit)"

appveyor.yml

@@ -40,6 +40,7 @@ install:
     - IF %PHP%==1 copy /Y php.ini-min php.ini-max
     - IF %PHP%==1 echo extension=php_apcu.dll >> php.ini-max
     - IF %PHP%==1 echo apc.enable_cli=1 >> php.ini-max
+    - IF %PHP%==1 echo extension=php_memcache.dll >> php.ini-max
     - IF %PHP%==1 echo extension=php_intl.dll >> php.ini-max
     - IF %PHP%==1 echo extension=php_mbstring.dll >> php.ini-max
     - IF %PHP%==1 echo extension=php_fileinfo.dll >> php.ini-max