Bug 571174 - [performance] improve getLineSeperator()

Old implementation did read files byte by byte.
This is a hot spot in junit test of JDT.

Bug: 571174
Change-Id: Ib08f643c38c51e01c5838743190ca54f591545b1
Signed-off-by: jkubitz <jkubitz-eclipse@gmx.de>
1 file changed