patch 9.1.0939: make installtutor fails

Problem:  make installtutor fails
          (Antonio Giovanni Colombo, after v9.1.0932)
Solution: Fix Makefile rule

Signed-off-by: Christian Brabandt <cb@256bit.org>

src/Makefile

@@ -2473,7 +2473,8 @@ installgtutorbin: $(DEST_BIN)
 
 installtutor: $(DEST_RT) $(DEST_TUTOR)
 	-$(INSTALL_DATA) $(TUTORSOURCE)/README* $(TUTORSOURCE)/tutor* $(DEST_TUTOR)
-	-$(INSTALL_DATA) $(TUTORSOURCE)/en/* $(DEST_TUTOR)/en/ $(DEST_TUTOR)/it/* $(DEST_TUTOR)/it/
+	-$(INSTALL_DATA) $(TUTORSOURCE)/en/* $(DEST_TUTOR)/en/
+	-$(INSTALL_DATA) $(TUTORSOURCE)/it/* $(DEST_TUTOR)/it/
 	-rm -f $(DEST_TUTOR)/*.info
 	chmod $(HELPMOD) $(DEST_TUTOR)/*
 	chmod $(DIRMOD) $(DEST_TUTOR)/en

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    939,
 /**/
     938,
 /**/