AnalysisTimingATLASpix: fix overwriting of histogram with same name (typo)

10 jobs for follow-up-on-MR281 in 28 minutes and 7 seconds (queued for 1 second)
Status Name Job ID Coverage
  Compilation
passed cmp:cc7-docker #7922725
docker

00:08:47

passed cmp:cc7-gcc #7922724
docker

00:02:53

passed cmp:cc7-llvm #7922726
docker

00:02:48

passed cmp:mac1015-clang #7922727
mac

00:02:20

passed cmp:slc6-gcc #7922723
docker

00:04:45

 
  Testing
passed tst:telescope #7922728
docker

00:03:15

 
  Formatting
passed fmt:cc7-llvm-lint #7922730
docker

00:15:11

passed fmt:centos7-llvm-format #7922729
docker

00:01:23

 
  Documentation
passed cmp:doxygen #7922731
docker

00:00:26

passed cmp:usermanual #7922732
docker

00:00:51