patch 8.2.4962: files show up in git status

Problem:    Files show up in git status.
Solution:   Adjust the list of ignored files.  Clean up more test files.
            (Shane xb Qian, closes #9929)
diff --git a/src/testdir/Makefile b/src/testdir/Makefile
index 3f33bf8..c54e060 100644
--- a/src/testdir/Makefile
+++ b/src/testdir/Makefile
@@ -18,7 +18,7 @@
 #   The output goes into a file "valgrind.testN"
 #   Vim should be compiled with EXITFREE to avoid false warnings.
 #   This will make testing about 10 times as slow.
-# VALGRIND = valgrind --tool=memcheck --leak-check=yes --num-callers=25 --log-file=valgrind.$*
+# VALGRIND = valgrind --tool=memcheck --leak-check=yes --num-callers=35 --log-file=valgrind.$*
 
 default: nongui
 
@@ -86,7 +86,7 @@
 clean:
 	-rm -rf *.out *.failed *.res *.rej *.orig XfakeHOME Xdir1 Xfind
 	-rm -f opt_test.vim test.log test_result.log messages
-	-rm -f $(RM_ON_RUN) $(RM_ON_START)
+	-rm -rf $(RM_ON_RUN) $(RM_ON_START)
 	-rm -f valgrind.*
 	-rm -f asan.*
 
diff --git a/src/version.c b/src/version.c
index b8fb438..1a33a73 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4962,
+/**/
     4961,
 /**/
     4960,