RFR: 8284184: Crash in GraphicsContextJava::drawLinesForText on https://us.yahoo.com/

[Jay Bhaskar]

Issue: Floating point overflow , when making end point for line drawing as FloatPoint endPoint = startPoint + FloatPoint(widths.last(), 0);
Solution: traverse widths to calculate end point and increment start point.

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Commit messages:
 - Merge remote-tracking branch 'upstream/master'
 - 8284184: Crash in GraphicsContextJava::drawLinesForText on https://us.yahoo.com

Changes: https://git.openjdk.java.net/jfx/pull/765/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=765&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8284184
  Stats: 7 lines in 1 file changed: 3 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jfx/pull/765.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/765/head:pull/765

PR: https://git.openjdk.java.net/jfx/pull/765