Fixed silly error in code.

dlib/image_processing/full_object_detection.h

@@ -101,7 +101,7 @@ namespace dlib
                 return false;
             for (size_t i = 0; i < parts.size(); ++i)
             {
-                if (parts[i] != rhs.parts[i]);
+                if (parts[i] != rhs.parts[i])
                     return false;
             }
             return true;