COMP: Fixed the compiler error of ITKCommon2TestDriver on OSX 10.6
COMP: Fixed the compiler error of ITKCommon2TestDriver on OSX 10.6

- Fixes: ITK-3406 ( https://issues.itk.org/jira/browse/ITK-3406 )

- Fixed the compiler error of "itkAtomicIntTest" on OSX 10.6 by changing
  the order of  the preprocessor macro in "itkAtomicIntDetail.h".

- This error was reported at the following page:
  https://open.cdash.org/viewBuildError.php?buildid=4159934

Change-Id: I8b206370d6141d6d35a90bcfa47f809711fc8641

spinicist/ITK,stnava/ITK,InsightSoftwareConsortium/ITK,malaterre/ITK,spinicist/ITK,PlutoniumHeart/ITK,hjmjohnson/ITK,fbudin69500/ITK,blowekamp/ITK,richardbeare/ITK,blowekamp/ITK,stnava/ITK,richardbeare/ITK,LucasGandel/ITK,fbudin69500/ITK,zachary-williamson/ITK,LucasGandel/ITK,richardbeare/ITK,jcfr/ITK,BRAINSia/ITK,blowekamp/ITK,malaterre/ITK,thewtex/ITK,stnava/ITK,malaterre/ITK,PlutoniumHeart/ITK,spinicist/ITK,fbudin69500/ITK,fbudin69500/ITK,thewtex/ITK,spinicist/ITK,zachary-williamson/ITK,zachary-williamson/ITK,spinicist/ITK,hjmjohnson/ITK,vfonov/ITK,Kitware/ITK,zachary-williamson/ITK,malaterre/ITK,fbudin69500/ITK,malaterre/ITK,Kitware/ITK,richardbeare/ITK,jcfr/ITK,thewtex/ITK,jcfr/ITK,vfonov/ITK,stnava/ITK,InsightSoftwareConsortium/ITK,thewtex/ITK,zachary-williamson/ITK,jcfr/ITK,richardbeare/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,BRAINSia/ITK,malaterre/ITK,hjmjohnson/ITK,fbudin69500/ITK,thewtex/ITK,stnava/ITK,LucasGandel/ITK,vfonov/ITK,LucasGandel/ITK,blowekamp/ITK,fbudin69500/ITK,spinicist/ITK,zachary-williamson/ITK,LucasGandel/ITK,InsightSoftwareConsortium/ITK,spinicist/ITK,fbudin69500/ITK,zachary-williamson/ITK,jcfr/ITK,Kitware/ITK,PlutoniumHeart/ITK,stnava/ITK,hjmjohnson/ITK,LucasGandel/ITK,PlutoniumHeart/ITK,blowekamp/ITK,PlutoniumHeart/ITK,Kitware/ITK,spinicist/ITK,vfonov/ITK,PlutoniumHeart/ITK,spinicist/ITK,BRAINSia/ITK,jcfr/ITK,vfonov/ITK,Kitware/ITK,BRAINSia/ITK,vfonov/ITK,richardbeare/ITK,blowekamp/ITK,thewtex/ITK,malaterre/ITK,LucasGandel/ITK,stnava/ITK,BRAINSia/ITK,stnava/ITK,InsightSoftwareConsortium/ITK,blowekamp/ITK,PlutoniumHeart/ITK,zachary-williamson/ITK,vfonov/ITK,thewtex/ITK,vfonov/ITK,LucasGandel/ITK,Kitware/ITK,richardbeare/ITK,BRAINSia/ITK,InsightSoftwareConsortium/ITK,Kitware/ITK,hjmjohnson/ITK,jcfr/ITK,jcfr/ITK,PlutoniumHeart/ITK,zachary-williamson/ITK,blowekamp/ITK,vfonov/ITK,stnava/ITK,BRAINSia/ITK,malaterre/ITK,malaterre/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK