patch 9.0.0241: "make install" does not install shared syntax file

Problem:    "make install" does not install shared syntax file. (James McCoy)
Solution:   Install and uninstall the shared syntax files. (closes #10956)
diff --git a/src/Makefile b/src/Makefile
index 95fe0d4..177bc08 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2451,6 +2451,8 @@
 # install the syntax files
 	cd $(SYNSOURCE); $(INSTALL_DATA) *.vim README.txt $(DEST_SYN)
 	cd $(DEST_SYN); chmod $(HELPMOD) *.vim README.txt
+	cd $(SYNSOURCE)/shared; $(INSTALL_DATA) *.vim README.txt $(DEST_SYN)/shared
+	cd $(DEST_SYN)/shared; chmod $(HELPMOD) *.vim README.txt
 # install the indent files
 	cd $(INDSOURCE); $(INSTALL_DATA) *.vim README.txt $(DEST_IND)
 	cd $(DEST_IND); chmod $(HELPMOD) *.vim README.txt
@@ -2696,7 +2698,8 @@
 
 $(DESTDIR)$(exec_prefix) $(DEST_BIN) \
 		$(DEST_VIM) $(DEST_RT) $(DEST_HELP) \
-		$(DEST_PRINT) $(DEST_COL) $(DEST_SYN) $(DEST_IND) $(DEST_FTP) \
+		$(DEST_PRINT) $(DEST_COL) $(DEST_SYN) $(DEST_SYN)/shared \
+		$(DEST_IND) $(DEST_FTP) \
 		$(DEST_LANG) $(DEST_KMAP) $(DEST_COMP) $(DEST_MACRO) \
 		$(DEST_PACK) $(DEST_TOOLS) $(DEST_TUTOR) $(DEST_SPELL) \
 		$(DEST_AUTO) $(DEST_AUTO)/dist $(DEST_AUTO)/xml \
@@ -2872,6 +2875,7 @@
 	-rm -f $(DEST_COL)/*.vim $(DEST_COL)/README.txt
 	-rm -rf $(DEST_COL)/tools
 	-rm -rf $(DEST_COL)/lists
+	-rm -f $(DEST_SYN)/shared/*.vim $(DEST_SYN)/shared/README.txt
 	-rm -f $(DEST_SYN)/*.vim $(DEST_SYN)/README.txt
 	-rm -f $(DEST_IND)/*.vim $(DEST_IND)/README.txt
 	-rm -rf $(DEST_MACRO)
@@ -2883,7 +2887,8 @@
 	-rm -rf $(DEST_KMAP)
 	-rm -rf $(DEST_COMP)
 	-rm -f $(DEST_PRINT)/*.ps
-	-rmdir $(DEST_HELP) $(DEST_PRINT) $(DEST_COL) $(DEST_SYN) $(DEST_IND)
+	-rmdir $(DEST_HELP) $(DEST_PRINT) $(DEST_COL) $(DEST_SYN)/shared
+	-rmdir $(DEST_SYN) $(DEST_IND)
 	-rm -rf $(DEST_FTP)/*.vim $(DEST_FTP)/README.txt $(DEST_FTP)/logtalk.dict
 	-rm -f $(DEST_AUTO)/*.vim $(DEST_AUTO)/README.txt
 	-rm -f $(DEST_AUTO)/dist/*.vim $(DEST_AUTO)/xml/*.vim
diff --git a/src/version.c b/src/version.c
index 9e77abc..9e0c64c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -732,6 +732,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    241,
+/**/
     240,
 /**/
     239,