Log Message:
libfreehand: Update to 0.1.2

libfreehand 0.1.2

- Fix several hangs and leaks when reading damaged files found with the
  help of american-fuzzy-lop.
- Fix build with recent clang.
- Make --help output of all command-line tools more help2man-friendly.
- Require C++11 for build.
- Parse more features:
  * text on path
  * more text attributes
  * stroke patterns
  * arrows
  * paragraph attributes
  * custom line and fill styles
  * text effects
- Write correct rotation center of a textbox.
- Fix an issue found by oss-fuzz.
- Fix several issues found by Coverity.
- Various code cleanups and other small improvements.