Fixed OMWriter when no faces are available (Thanks to Jamie Kydd for the patch)

23 jobs for OM_Format_no_faces_fix in 41 minutes (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #19933
VS2013
VS2013-32-bit-shared-apps

00:05:00

passed #19934
VS2013
VS2013-32-bit-shared-no-apps

00:03:24

passed #19937
VS2013
VS2013-32-bit-static-apps

00:04:30

passed #19938
VS2013
VS2013-32-bit-static-no-apps

00:03:48

passed #19931
VS2013
VS2013-64-bit-shared-apps

00:05:00

passed #19932
VS2013
VS2013-64-bit-shared-no-apps

00:03:59

passed #19935
VS2013
VS2013-64-bit-static-apps

00:04:56

passed #19936
VS2013
VS2013-64-bit-static-no-apps

00:04:12

passed #19925
VS2015
VS2015-32-bit-shared-apps

00:05:46

passed #19926
VS2015
VS2015-32-bit-shared-no-apps

00:05:01

passed #19929
VS2015
VS2015-32-bit-static-apps

00:05:34

passed #19930
VS2015
VS2015-32-bit-static-no-apps

00:04:58

passed #19923
VS2015
VS2015-64-bit-shared-apps

00:07:34

passed #19924
VS2015
VS2015-64-bit-shared-no-apps

00:05:23

passed #19927
VS2015
VS2015-64-bit-static-apps

00:06:24

passed #19928
VS2015
VS2015-64-bit-static-no-apps

00:05:43

passed #19917
Linux
clang-c++11

00:21:11

passed #19919
Linux
clang-c++98

00:15:47

passed #19922
Linux
cppcheck

00:00:29

passed #19916
Linux
gcc-c++11

00:05:10

passed #19918
Linux
gcc-c++98

00:04:09

passed #19920
Apple
macos-c++11

00:16:37

passed #19921
Apple
macos-c++98

00:16:06