fix wrong printf format mismatches
fixed: Uninitialised variable in VAAPI
Merge pull request #5433 from arnova/vaapi_fix

fixed: Uninitialised variable in VAAPI
VAAPI: fix some cppcheck oddities
Merge pull request #5435 from fritsch/vaapi-cppcheck

VAAPI: fix some cppcheck oddities
Merge pull request #5408 from xhaggi/fix-printf-format-mismatch

fix wrong printf format mismatches