Handle elumens build properly.

src/gview.mak

 # TARGET
 TARGET   = gview.exe
 
-FLTK_DIR   = C:\util\fltk109
+FLTK_DIR   = C:\util\fltk111
 FLTK_INC   = -I "$(FLTK_DIR)"
 FLTK_LIB   = $(FLTK_DIR)\lib\fltk.lib
 
@@ -47,7 +47,9 @@ $(TARGET):  $(APP_OBJS)
 	$(LINK) $(APP_OBJS) $(LIBS)  /out:$@
 
 gviewelum.exe: $(APP_OBJS:partiview.obj=) $(ELUMENS_OBJS)
+	$(CC) -c plugins.c $(CFLAGS) $(ELUMENS_FLAGS)
 	$(LINK) $(APP_OBJS:partiview.obj=) $(ELUMENS_OBJS) $(ELUMENS_LIB) $(LIBS)  /out:$@
+	del plugins.obj
 
 partiview_elumens.obj: partiview.cc
 	$(CXX) -c /Fo$@ partiview.cc $(CXXFLAGS) $(ELUMENS_FLAGS)