MSAN: use-of-uninitialized-value in RenderConfigReader_checkValues
# Basic info
<!--- Add commit SHA used to reproduce -->
- Decoder (fixed): 7e52e55f54cb0345a4d05eabbfd8e624e700c995
# Bug description
Reported here https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/jobs/544364 and still persist in latest main.
Sanitizer points to this line
```
hRenderConfig->distAtt[0] = max( 0.1f, hRenderConfig->distAtt[0] );
```
which was introduced here https://forge.3gpp.org/rep/sa4/audio/ivas-basop/-/merge_requests/1924
# Ways to reproduce
Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-xxxx
<!-- Commandline or script -->
```bash
./IVAS_cod -mc 5_1 512000 48 /scripts/testv/stv51MC48c.wav debug.bit
./IVAS_dec -fr 20 -render_config /scripts/testv/rend_config_ER_v1.cfg -t /scripts/testv/headrot_case00_3000_q.csv BINAURAL_ROOM_REVERB 48 debug.bit out.wav
```
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issue