compel/Makefile: don't use `-fr` for cp

No need to use either -r (recursive) or -f (force).
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>

compel/Makefile

@@ -62,10 +62,10 @@ install: compel/compel compel/$(LIBCOMPEL_SO) compel/$(LIBCOMPEL_A)
 	$(Q) install -m 0644 compel/$(LIBCOMPEL_A) $(DESTDIR)$(LIBDIR)
 	$(E) "  INSTALL " compel uapi
 	$(Q) mkdir -p $(DESTDIR)$(INCLUDEDIR)/compel/asm
-	$(Q) cp -fr compel/include/uapi/*.h $(DESTDIR)$(INCLUDEDIR)/compel/
-	$(Q) cp -fr compel/include/uapi/asm/*.h $(DESTDIR)$(INCLUDEDIR)/compel/asm/
+	$(Q) cp compel/include/uapi/*.h $(DESTDIR)$(INCLUDEDIR)/compel/
+	$(Q) cp compel/include/uapi/asm/*.h $(DESTDIR)$(INCLUDEDIR)/compel/asm/
 	$(Q) mkdir -p $(DESTDIR)$(INCLUDEDIR)/compel/common/asm
-	$(Q) cp -fr include/common/compiler.h $(DESTDIR)$(INCLUDEDIR)/compel/common/
+	$(Q) cp include/common/compiler.h $(DESTDIR)$(INCLUDEDIR)/compel/common/
 .PHONY: install
 
 uninstall: