PNG: write cLLI instead of cLLi, per recent update #9005

Job	Run time
Cross-compiling arm64	6m 13s
Cross-compiling arm64-sve	7m 54s
Cross-compiling arm64-lowprecision	6m 35s
Cross-compiling armhf	5m 54s
Cross-compiling i386	5m 55s
Testing arm64 shard 0	8s
Testing arm64-lowprecision shard 0	5s
Testing armhf shard 0	11s
Testing i386 shard 0	4m 5s
Testing arm64 shard 1	9s
Testing arm64-lowprecision shard 1	4s
Testing armhf shard 1	5s
Testing i386 shard 1	3m 55s
Testing arm64 shard 2	7s
Testing arm64-lowprecision shard 2	5s
Testing armhf shard 2	5s
Testing i386 shard 2	4m 0s
Testing arm64 shard 3	4s
Testing arm64-lowprecision shard 3	4s
Testing armhf shard 3	6s
Testing i386 shard 3	3m 58s
Testing arm64 shard 4	8s
Testing arm64-lowprecision shard 4	9s
Testing armhf shard 4	9s
Testing i386 shard 4	4s
Testing arm64 shard 5	8s
Testing arm64-lowprecision shard 5	4s
Testing armhf shard 5	4s
Testing i386 shard 5	5s
Testing arm64 shard 6	4s
Testing arm64-lowprecision shard 6	4s
Testing armhf shard 6	4s
Testing i386 shard 6	6s
Testing arm64 shard 7	10s
Testing arm64-lowprecision shard 7	6s
Testing armhf shard 7	14s
Testing i386 shard 7	3s
	51m 24s

Provide feedback