Update to graphite2 version 1.3.10, for some "highly recommended"
bug fixes, possibly some security fixes, although they are not
explicitly mentioned in the change log.

Pkgsrc changes:
* Remove patch which no longer applies.

Upstream changes:

1.3.10
. Address floating point build parameters to give consistent positioning
  results across platforms
. Various bug fixes

1.3.9
. Add Collision COLL_ISSPACE to allow for visible spaces in collision
  avoidance
. Add segment and pass direction information to tracing output
. Bug fix rule length testing in 32-bit
. Increase slanted margin distances for collision avoidance
. Change kerning algorithm to simple outline expansion.
  Seems to make no visible difference.
. Add trace2svg to test tools

1.3.8
. Various bug fixes arising from fuzzing
. Fix regression that stopped piglatin from working
. Make collision avoidance kerning give more regular results
. Minor modification to clustering algorithm to handle variable width chars

(he)