issue,4156: xml skip white option also skips new lines'\n' charachters a...

Summary: ...s well,By avoiding this php and hhvm now behave the same.
Closes https://github.com/facebook/hhvm/pull/4185

Reviewed By: @JoelMarcey

Differential Revision: D1669156

Signature: t1:1669156:1415548942:aee891116a06f9eedc66c65ca4491785b3e0c443
Fix fribidi dependency includes

Summary: Fribidi depends on glib, but we're not adding the header file include dirs into our paths.  This makes cmake find glib for us.  Without this, the build fails to find glib.h (on gentoo) and halts.
Closes https://github.com/facebook/hhvm/pull/4187

Reviewed By: @JoelMarcey

Differential Revision: D1669177

Signature: t1:1669177:1415549048:7bff25565005cd0ec28326c41e48f561f5061775