patch 8.2.4596: installing tutor binary may fail

Problem:    Installing tutor binary may fail.
Solution:   Fix the dependency. (Sergei Trofimovich, closes #9978)
diff --git a/src/Makefile b/src/Makefile
index b58e35c..1b143b9 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2484,11 +2484,11 @@
 	chmod $(FILEMOD) `find $(DEST_PACK) -type f -print`
 
 # install the tutor files
-installtutorbin: $(DEST_VIM)
+installtutorbin: $(DEST_BIN)
 	$(INSTALL_DATA) vimtutor $(DEST_BIN)/$(VIMNAME)tutor
 	chmod $(SCRIPTMOD) $(DEST_BIN)/$(VIMNAME)tutor
 
-installgtutorbin: $(DEST_VIM)
+installgtutorbin: $(DEST_BIN)
 	$(INSTALL_DATA) gvimtutor $(DEST_BIN)/$(GVIMNAME)tutor
 	chmod $(SCRIPTMOD) $(DEST_BIN)/$(GVIMNAME)tutor
 
diff --git a/src/version.c b/src/version.c
index f71228b..c101728 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4596,
+/**/
     4595,
 /**/
     4594,