patch 8.0.1822: make uninstall does not remove colors/tools

Problem:    Make uninstall does not remove colors/tools.
Solution:   Add a line to delete the tools directory. (Kazunobu Kuriyama)
diff --git a/src/Makefile b/src/Makefile
index d7b8f7e..5a6ad84 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2824,6 +2824,7 @@
 	-rm -f $(SYS_FTPLUGOF_FILE) $(SYS_FTPLUGIN_FILE)
 	-rm -f $(SYS_OPTWIN_FILE)
 	-rm -f $(DEST_COL)/*.vim $(DEST_COL)/README.txt
+	-rm -rf $(DEST_COL)/tools
 	-rm -f $(DEST_SYN)/*.vim $(DEST_SYN)/README.txt
 	-rm -f $(DEST_IND)/*.vim $(DEST_IND)/README.txt
 	-rm -rf $(DEST_MACRO)
diff --git a/src/version.c b/src/version.c
index 38d26f1..981d650 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1822,
+/**/
     1821,
 /**/
     1820,