Fix incorrect benchmark name in JitterBench script (#1983)

[ROCm/rccl commit: 57286d5df3]

projects/rccl/tools/JitterBench/runSweep.sh

@@ -5,7 +5,7 @@ for numBlocks in 1 2 4 8 16 32; do
 				for numTimers in 0 1; do
 						for useNuma in 0 1; do
 								echo "numBlocks=$numBlocks blockSize=$blockSize numTimers=$numTimers useNuma=$useNuma";
-								./LaunchBench $numBlocks $blockSize $numTimers $useNuma &> output.$numBlocks.$blockSize.$numTimers.$useNuma.txt
+								./JitterBench $numBlocks $blockSize $numTimers $useNuma &> output.$numBlocks.$blockSize.$numTimers.$useNuma.txt
 						done;
 				done;
 		done;