Fixed bug #66298 (ext/opcache/Optimizer/zend_optimizer.c has dos-style ^M as lineend)

Use git blame -w to ingore the space changes
Merge branch 'PHP-5.5' into PHP-5.6
Fixed bug #66298 (ext/opcache/Optimizer/zend_optimizer.c has dos-style ^M as lineend)
Merge branch 'PHP-5.6'