refer to actual template type instead of default

7 jobs for master in 3 minutes and 34 seconds
Status Job ID Name Coverage
  Test
passed #9778
Linux
clang-c++11

00:02:22

passed #9780
Linux
clang-c++98

00:01:51

passed #9783
Linux
cppcheck

00:01:48

passed #9777
Linux
gcc-c++11

00:03:34

passed #9779
Linux
gcc-c++98

00:02:37

passed #9781
Apple
macos-c++11

00:02:25

passed #9782
Apple
macos-c++98

00:02:16