Default GS5 camera app + Hangouts for MMS problem

So something I've noticed is that when using Hangouts for MMS and I try to take and send a portrait shot photo with the stock Samsung camera app.....it appears to work fine on my end...but everyone ends up receiving a photo that has been rotated 90 degrees left. Only seems to do this with the stock camera app - if I switch to using Vignette for the camera app - portrait shots are sent correctly.

Landscape shots work either way regardless....

anyone else experienced this? I'm guessing its a problem with the stock camera app (be it code or a setting or something I'm missing)
~Paul
Samsung GS 5 (VZW) - Stock
Nexus 7 - Rooted stock

My Vignette App photo gallery