hg: jdk/jdk11: 8208466: Fix potential memory leak in harfbuzz shaping.

[philip.race at oracle.com]

Changeset: 0eeff620cdf5
Author:    prr
Date:      2018-07-31 12:23 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk11/rev/0eeff620cdf5

8208466: Fix potential memory leak in harfbuzz shaping.
Reviewed-by: jdv, kaddepalli

! src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ft.cc
! src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-shape.cc