Fixed bigint insertion bug in x86

[david-puglielli]

This change is 

[coveralls]

Coverage remained the same at 74.697% when pulling 1edd16d on david-puglielli:bigint-x86-test-fix into e0f9afa on Microsoft:dev.

[codecov-io]

Codecov Report

Merging #777 into dev will increase coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev     #777      +/-   ##
==========================================
+ Coverage   79.99%   80.06%   +0.06%     
==========================================
  Files          25       25              
  Lines        7323     7323              
==========================================
+ Hits         5858     5863       +5     
+ Misses       1465     1460       -5

Impacted Files	Coverage Δ
...php-7.1.17-src/ext/pdo_sqlsrv/shared/core_conn.cpp	87.06% <0%> (+1.43%)	⬆️

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[yitam]

Please modify BIGINT values in two values.php

[yitam]

for both 32bit and 64 bit bigint values should be quoted as strings because even though it passed in 64 bit accuracy might be lost

[yitam]

Please insert BIGINT values as strings in both 32bit and 64bit systems. Otherwise approved.