[PHP 7.2] Trim trailing whitespaces

[petk]

Following #3505

This patch trims trailing whitespaces in all source code files for the PHP-7.2 branch

excluding the following locations:

• tests
• Zend/tests
• sapi/tests
• sapi/*/tests
• ext/*/tests
• ext/mbstring/oniguruma
• ext/mbstring/oniguruma.patch
• ext/gd/libgd
• ext/date/lib
• ext/fileinfo/libmagic
• ext/fileinfo/libmagic.patch
• ext/fileinfo/magicdata.patch
• ext/sqlite3/libsqlite
• ext/zip/lib/
• ext/pcre/pcrelib
• ext/pgsql/pgsql.mak
• ext/xml/xml.mak
• ext/ldap/ldap.mak
• ext/bcmath/libbcmath/mkinstalldirs
• ext/bcmath/libbcmath/install-sh
• ext/bcmath/libbcmath/configure
• ext/spl/doxygen.cfg
• ext/standard/html_tables/mappings
• ltmain.sh
• build/libtool.m4
• build/shtool
• win32/php7dllts.rc
• win32/php7ts.rc
• win32/php7ts_cli.rc
• scripts/dev/generate-phpt
• scripts/dev/generate-phpt.phar
• Zend/ZendCore.dep

and excluding files generated using internal scripts:

• Zend/zend_language_scanner.c
• Zend/zend_ini_scanner.c
• Zend/zend_vm_execute.h
• Zend/zend_vm_opcodes.h
• Zend/zend_vm_opcodes.c
• sapi/cli/mime_type_map.h
• sapi/phpdbg/phpdbg_lexer.c
• ext/json/json_scanner.c
• ext/pdo/pdo_sql_parser.c
• ext/standard/url_scanner_ex.c
• ext/standard/var_unserializer.c
• ext/phar/phar_path_check.c
• ext/fileinfo/data_file.c
• ext/standard/credits_ext.h
• ext/standard/credits_sapi.h
• ext/mbstring/unicode_data.h
• win32/cp_enc_map.c
• ext/standard/html_tables.h

[petk]

Closing in favor of #3505