Fixed clang warning

27 jobs from clang_warning_fix in 78 minutes and 15 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #49940
VS2013
VS2013-32-bit-shared-apps

05:47

passed #49941
VS2013
VS2013-32-bit-shared-no-apps

05:05

passed #49944
VS2013
VS2013-32-bit-static-apps

05:39

passed #49945
VS2013
VS2013-32-bit-static-no-apps

05:13

passed #49938
VS2013
VS2013-64-bit-shared-apps

06:24

passed #49939
VS2013
VS2013-64-bit-shared-no-apps

05:40

passed #49942
VS2013
VS2013-64-bit-static-apps

07:07

passed #49943
VS2013
VS2013-64-bit-static-no-apps

05:26

passed #49932
VS2015
VS2015-32-bit-shared-apps

07:29

passed #49933
VS2015
VS2015-32-bit-shared-no-apps

06:59

passed #49936
VS2015
VS2015-32-bit-static-apps

08:02

passed #49937
VS2015
VS2015-32-bit-static-no-apps

06:18

passed #49930
VS2015
VS2015-64-bit-shared-apps

08:52

passed #49931
VS2015
VS2015-64-bit-shared-no-apps

08:07

passed #49934
VS2015
VS2015-64-bit-static-apps

09:35

passed #49935
VS2015
VS2015-64-bit-static-no-apps

07:47

passed #49927
VS2017
VS2017-32-bit-shared-no-apps

07:35

passed #49929
VS2017
VS2017-32-bit-static-no-apps

07:30

passed #49926
VS2017
VS2017-64-bit-shared-no-apps

08:27

passed #49928
VS2017
VS2017-64-bit-static-no-apps

08:37

passed #49920
Linux
clang-c++11

35:52

passed #49922
Linux
clang-c++14

36:14

passed #49925
Linux
cppcheck

00:07

passed #49919
Linux
gcc-c++11

03:57

passed #49921
Linux
gcc-c++14

03:35

passed #49923
Apple
macos-c++11

10:54

passed #49924
Apple
macos-c++98

20:45