Allow Path approximation to work with a single point Path.

Bug 17452965

A single point Path (move-to only) was not returning any
verbs in the verb list. This forces an approximation for
single move-to and empty paths by giving the same value
for fraction 0 and fraction 1.

Change-Id: Icb1b932d730457680cf422377a83fe669f0a7687
1 file changed