Log Message:
textproc/libxlsxwriter: Update to 1.1.2

- Added support for autofilter rules.
- Added Description/Alt Text and Decorative accessibility options for
  charts. These options were already available for images
- Fix incorrect use of LDFLAGS when building object files.
- Fix for not using LDFLAGS when linking tests.
- Fix time type, Excel always needs 64-bit values so time_t is not
  always sufficient.
- Fix minor const issue.