Change order of cxxflags
Change order of cxxflags

CMAKE_CXX_FLAGS tends to start with whitespace.

fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,fmilano/mitk,fmilano/mitk,MITK/MITK,MITK/MITK,fmilano/mitk,fmilano/mitk,MITK/MITK,MITK/MITK,MITK/MITK