Log Message:
Update to 0.1.3:

libvisio 0.1.3

- Fix a build failure with some compilers.
- Do not use C++11 syntax.

libvisio 0.1.2

- Fix several build problems with different compilers.
- Import more metadata properties.
- Fix theme color import (tdf#92270).
- Fix a bunch of crashes and hangs when reading broken documents, found
  with the help of american-fuzzy-lop.
- Fix several memory leaks.
- Ignore errors when parsing metadata. This makes some documents readable
  again.
- Fix handling of character background (tdf#92271).