Propagate icu reverse dependencies.
Php lacks "-std=c++11", provided by icu-config, when compiling icu
support leading to a build failure:
/home/peko/autobuild/instance-1/output/host/usr/sh4-buildroot-linux-uclibc/sysroot/usr/include/unicode/umachine.h:347:13:
error: 'char16_t' does not name a type
typedef char16_t UChar;
Fixes
http://autobuild.buildroot.net/results/238/238d0e4bb205c0e7288903c6498e6c1787d86a1b/
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
