patch 8.2.2535: MS-Windows: cannot run all vim9 tests

Problem:    MS-Windows: cannot run all vim9 tests.
Solution:   Make test_vim9 target work.

Author: brammool

src/Make_mvc.mak

@@ -1489,6 +1489,16 @@ $(NEW_TESTS):
 	$(MAKE) /NOLOGO -f Make_dos.mak VIMPROG=..\$(VIMTESTTARGET) report
 	cd ..
 
+# Run Vim9 tests.
+# These do not depend on the executable, compile it when needed.
+test_vim9:
+	cd testdir
+	-del test_vim9_*.res
+	$(MAKE) /NOLOGO -f Make_dos.mak VIMPROG=..\$(VIMTESTTARGET) nolog
+	$(MAKE) /NOLOGO -f Make_dos.mak VIMPROG=..\$(VIMTESTTARGET) $(TEST_VIM9_RES)
+	$(MAKE) /NOLOGO -f Make_dos.mak VIMPROG=..\$(VIMTESTTARGET) report
+	cd ..
+
 ###########################################################################
 
 # Create a default rule for transforming .c files to .obj files in $(OUTDIR)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2535,
 /**/
     2534,
 /**/