bug #2317 fix C89 compat (Jan-E)
bug #2317 fix C89 compat (Jan-E)

This PR was merged into the 1.x branch.

Discussion
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fix C89 compat

@tucksaun @fabpot The extension did not compile anymore with old MSVC compilers. This PR contains the fix.

Commits
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c6be57f fix C89 compat

twigphp/Twig,twigphp/Twig,twigphp/Twig,gamernetwork/Twig,gamernetwork/Twig,nicolas-grekas/Twig,nicolas-grekas/Twig,gamernetwork/Twig,gencer/Twig,gencer/Twig,nicolas-grekas/Twig,nicolas-grekas/Twig,nicolas-grekas/Twig