Check exception when finalizing output parameters

[yitam]

If an error occurs or an exception is thrown during an execution, the values of any output parameters or columns are undefined. Therefore, do not depend on them having any specific values, because the ODBC driver may or may not have modified them.

[coveralls]

Coverage increased (+0.2%) to 75.002% when pulling e210371 on yitam:errOutParam into f45f257 on microsoft:dev.

[codecov]

Codecov Report

Merging #1143 into dev will increase coverage by 0.31%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev    #1143      +/-   ##
==========================================
+ Coverage   77.55%   77.87%   +0.31%     
==========================================
  Files          24       24              
  Lines        7280     7280              
==========================================
+ Hits         5646     5669      +23     
+ Misses       1634     1611      -23     

Impacted Files	Coverage Δ
.../phpdev/vc15/x86/php-7.4.7-src/ext/sqlsrv/util.cpp	87.19% <0.00%> (-0.61%)	⬇️
.../x86/php-7.4.7-src/ext/sqlsrv/shared/core_stmt.cpp	84.45% <0.00%> (+0.21%)	⬆️
.../php-7.4.7-src/ext/pdo_sqlsrv/shared/core_stmt.cpp	80.67% <0.00%> (+0.84%)	⬆️
.../php-7.4.7-src/ext/pdo_sqlsrv/shared/core_sqlsrv.h	84.18% <0.00%> (+3.25%)	⬆️
.../x86/php-7.4.7-src/ext/sqlsrv/shared/core_sqlsrv.h	82.26% <0.00%> (+3.44%)	⬆️