Added a missing #include

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%404019

dlib/svm.h

@@ -25,6 +25,7 @@
 #include "svm/krr_trainer.h"
 #include "svm/sort_basis_vectors.h"
 #include "svm/svm_c_trainer.h"
+#include "svm/svm_one_class_trainer.h"
 
 #endif // DLIB_SVm_HEADER