Revert "Drop dead Windows code"

This reverts commit 22dc59d.

Author: Girgias

ext/phar/phar.c

@@ -2220,12 +2220,21 @@ zend_string* phar_split_fname_ex(const char *filename, size_t filename_len, char
 	if (entry) {
 		if (ext_str[ext_len]) {
 			size_t computed_entry_len = filename_len - arch_len;
-			/* We don't need to unixify the path on Windows,
-			 * as ext_str is derived from filename that was already unixify */
+#ifdef PHP_WIN32
+			/* TODO: can we handle the unixify path in phar_fix_filepath() directly ? */
+			char *fixed_path_for_windows = estrndup(ext_str+ext_len, computed_entry_len);
+			phar_unixify_path_separators(fixed_path_for_windows, computed_entry_len);
+			zend_string *entry_str = phar_fix_filepath(fixed_path_for_windows, computed_entry_len, false);
+			*entry = estrndup(ZSTR_VAL(entry_str), ZSTR_LEN(entry_str));
+			*entry_len = ZSTR_LEN(entry_str);
+			zend_string_release_ex(entry_str, false);
+			efree(fixed_path_for_windows);
+#else
 			zend_string *entry_str = phar_fix_filepath(ext_str+ext_len, computed_entry_len, false);
 			*entry = estrndup(ZSTR_VAL(entry_str), ZSTR_LEN(entry_str));
 			*entry_len = ZSTR_LEN(entry_str);
 			zend_string_release_ex(entry_str, false);
+#endif
 		} else {
 			*entry_len = 1;
 			*entry = estrndup("/", 1);