neteq_rtpplay: Fix a bug in the matlab plotting function

This CL fixes a small bug, causing the matlab plot script to contain
empty vectors. Also, the script file name is fixed, to avoid two
periods (.) in the file name; matlab did not like that.

BUG=none

Review-Url: https://codereview.webrtc.org/3004813002
Cr-Original-Commit-Position: refs/heads/master@{#19586}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: f09c904dd12aecfd7bd632ed53a10d02ccb7ef2b
1 file changed