Fix bug #73072 (Invalid path SNI_server_certs causes segfault)

Merge branch 'pull-request/2126' into PHP-5.6

add test for bug #73068

fix test portability

missed semicolon

fix C89 conformity

Fix bug #72293 - Heap overflow in mysqlnd related to BIT fields

Fix test

Fix bug #73065: Out-Of-Bounds Read in php_wddx_push_element of wddx.c

Fix bug #73035 (Out of bound when verify signature of tar phar in phar_parse_tarfile)

Fix bug #73052 - Memory Corruption in During Deserialized-object Destruction

Add check in fgetcsv in case sizeof(unit) != sizeof(size_t)

Fix bug #73029 - Missing type check when unserializing SplArray

Fix bug #72860: wddx_deserialize use-after-free

Also fix overflow in wordwrap

Fix bug #73007: add locale length check

Add more checks for int overflow

Fix bug #72928 - Out of bound when verify signature of zip phar in phar_parse_zipfile

Fix various int size overflows.

Add function for detection of string zvals with length that does not fit
INT_MAX.

Add myself as pdo_dblib maintainer

Skip regression test for issue that has not yet been released in libgd

<https://github.com/libgd/libgd/issues/177> has been assessed as enhancement,
so most likely it will be released wi

Skip regression test for issue that has not yet been released in libgd

<https://github.com/libgd/libgd/issues/177> has been assessed as enhancement,
so most likely it will be released with GD 2.3.

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Skip test for external GD because of not yet published bugfix

Skip tests for unpatched external libgd regarding libvpx

Some issues have never been fixed in the external libgd's libvpx binding,
so we skip the respective tests.

Split test for bundled vs. external libgd

The behavior of imagecropauto($im, IMG_CROP_DEFAULT) is rather different
for the bundled and an external libgd, see
<https://github.com/libg

Split test for bundled vs. external libgd

The behavior of imagecropauto($im, IMG_CROP_DEFAULT) is rather different
for the bundled and an external libgd, see
<https://github.com/libgd/libgd/issues/298>.
Therefore we split the test for now.

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Make test case more resilient

This test case fails with external libgd, because libgd < 2.2.4 converts
palette images to truecolor (<https://github.com/libgd/libgd/issues/297>).

Make test case more resilient

This test case fails with external libgd, because libgd < 2.2.4 converts
palette images to truecolor (<https://github.com/libgd/libgd/issues/297>).

However, even if there happens no truecolor conversion, it is not guaranteed
that the palette indexes of the original and the cropped image are identical
(this is, for instance, not the case with current libgd master where the bug
has been fixed). Therefore we check for the expected RGBA value instead of
the palette index.

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