Annot: rect -> rectA in constructor parameters

fixes shadow warning
6 jobs for more_shadowness in 4 minutes and 47 seconds (queued for 17 seconds)
Status Job ID Name Coverage
  Build
passed #374511
build

00:03:28

passed #374516
build_android

00:01:12

passed #374512
build_clang_libcpp

00:03:09

passed #374515
build_clazy

00:02:29

passed #374514
build_mingw64_fedora

00:02:33

passed #374513
build_ubuntu_16_04

00:02:51