USAN: applying zero offset to null pointer in lib_rend/ivas_objectRenderer_fx.c:426:9
# Basic info
<!--- Add commit SHA used to reproduce-->
- Fixed point: fe037d37349aec85161c4252bf33d427c553c321
# Bug description
Clang 18 triggers usan error:
```
lib_rend/ivas_objectRenderer_fx.c:426:9: runtime error: applying zero offset to null pointer
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior lib_rend/ivas_objectRenderer_fx.c:426:9
```
# Ways to reproduce
<!--Commandline or script-->
```bash
make -j CLANG=3
./IVAS_rend -i scripts/testv/spectral_test_2ch_48kHz.wav -if ISM1MASA1 -o ISM1MASA1_to_BINAURALNone_20msNone_48kHz.wav -of BINAURAL -fs 48 -no_delay_cmp -im scripts/testv/stvISM1.csv scri
pts/testv/stvOMASA_1ISM_1MASA1TC48c.met -fr 20
```
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issue