Allow up to 5 cppcheck warnings

9 jobs from fix_cppchecks in 3 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #23850
VS2013
VS2013-32-bit

00:00:51

passed #23849
VS2013
VS2013-64-bit

00:01:01

passed #23848
VS2015
VS2015-32-bit

00:01:15

passed #23847
VS2015
VS2015-64-bit

00:01:14

passed #23844
Linux
clang-c++11

00:03:20

passed #23846
Linux
cppcheck

00:00:22

passed #23851
Linux
doc

00:00:16

passed #23843
Linux
gcc-c++11

00:03:38

passed #23845
Apple
macos-c++11

00:01:29