BUG: Missing TubeTK_USE_LIBSVM preprocessor conditional
BUG: Missing TubeTK_USE_LIBSVM preprocessor conditional

Closing bracket corresponding to the opening bracket defined only
if TubeTK_USE_LIBSVM is defined is only necessary when TubeTK_USE_LIBSVM
is defined.

thewtex/TubeTK,KitwareMedical/ITKTubeTK,thewtex/TubeTK,KitwareMedical/TubeTK,KitwareMedical/TubeTK,aylward/ITKTubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/ITKTubeTK,thewtex/TubeTK,KitwareMedical/TubeTK,aylward/ITKTubeTK,aylward/ITKTubeTK,thewtex/TubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/TubeTK,aylward/ITKTubeTK