Merge branch 'MinGW_Fix' into 'master'

Small compilation fix for MINGW64 cross-compilation

See merge request !151
24 jobs from master in 71 minutes 10 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #39613
Linux
Doc-publish

00:22

passed #39607
VS2013
VS2013-32-bit-shared-apps

04:33

passed #39608
VS2013
VS2013-32-bit-shared-no-apps

03:48

passed #39611
VS2013
VS2013-32-bit-static-apps

05:01

passed #39612
VS2013
VS2013-32-bit-static-no-apps

03:46

passed #39605
VS2013
VS2013-64-bit-shared-apps

05:33

passed #39606
VS2013
VS2013-64-bit-shared-no-apps

03:59

passed #39609
VS2013
VS2013-64-bit-static-apps

05:03

passed #39610
VS2013
VS2013-64-bit-static-no-apps

04:21

passed #39599
VS2015
VS2015-32-bit-shared-apps

06:25

passed #39600
VS2015
VS2015-32-bit-shared-no-apps

04:43

passed #39603
VS2015
VS2015-32-bit-static-apps

05:51

passed #39604
VS2015
VS2015-32-bit-static-no-apps

05:03

passed #39597
VS2015
VS2015-64-bit-shared-apps

06:43

passed #39598
VS2015
VS2015-64-bit-shared-no-apps

05:34

passed #39601
VS2015
VS2015-64-bit-static-apps

06:44

passed #39602
VS2015
VS2015-64-bit-static-no-apps

05:50

passed #39591
Linux
clang-c++11

14:37

passed #39593
Linux
clang-c++14

28:45

passed #39596
Linux
cppcheck

02:02

passed #39590
Linux
gcc-c++11

04:48

passed #39592
Linux
gcc-c++14

04:46

passed #39594
Apple
macos-c++11

09:51

passed #39595
Apple
macos-c++98

09:58