Fix PHP zip extension installation warnings (laradock#1648)

This fixes the following warnings when installing "zip" php extension:
configure: WARNING: ========================================================
configure: WARNING: Use of bundled libzip is deprecated and will be removed.
configure: WARNING: Some features such as encryption and bzip2 are not available.
�configure:� WARNING: Use system library and --with-libzip is recommended.
configure: WARNING: ========================================================

Author: Omranic

php-fpm/Dockerfile

@@ -188,6 +188,8 @@ RUN if [ ${INSTALL_AMQP} = true ]; then \
 ARG INSTALL_ZIP_ARCHIVE=false
 
 RUN if [ ${INSTALL_ZIP_ARCHIVE} = true ]; then \
+    apt-get install libzip-dev -y && \
+    docker-php-ext-configure zip --with-libzip && \
     # Install the zip extension
     docker-php-ext-install zip \
 ;fi