libiodbc: 3.52.8 -> 3.52.12

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctest -h` got 0 exit code
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctest --help` got 0 exit code
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctest help` got 0 exit code
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctest version` and found version 3.52.12
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctest help` and found version 3.52.12
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctestw -h` got 0 exit code
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctestw --help` got 0 exit code
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctestw help` got 0 exit code
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctestw version` and found version 3.52.12
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbctestw help` and found version 3.52.12
- ran `/nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12/bin/iodbc-config --version` and found version 3.52.12
- found 3.52.12 with grep in /nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12
- found 3.52.12 in filename of file in /nix/store/253wjz6c1fkj3af92qa1yrfwsr21agr3-libiodbc-3.52.12