wget 'http://downloads.sourceforge.net/project/php-java-bridge/RHEL_FC%20SecurityEnhancedLinux/php-java-bridge_6.2.1/php-java-bridge_6.2.1.tar.gz?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fphp-java-bridge%2Ffiles%2FRHEL_FC%2520SecurityEnhancedLinux%2Fphp-java-bridge_6.2.1%2F&ts=1401161487&use_mirror=jaist'
のようにシングルクォートで囲います。
