Fixed license header

11 jobs for make_unique in 3 minutes and 43 seconds
Status Job ID Name Coverage
  Test
passed #17134
VS2013
VS2013-32-bit

00:00:51

passed #17133
VS2013
VS2013-64-bit

00:00:56

passed #17132
VS2015
VS2015-32-bit

00:01:03

passed #17131
VS2015
VS2015-64-bit

00:01:09

passed #17125
Linux
clang-c++11

00:02:26

passed #17127
Linux
clang-c++98

00:02:01

passed #17130
Linux
cppcheck

00:01:44

passed #17124
Linux
gcc-c++11

00:03:43

passed #17126
Linux
gcc-c++98

00:02:14

passed #17128
Apple
macos-c++11

00:02:28

passed #17129
Apple
macos-c++98

00:02:27