patch 8.2.3625: illegal memory access when C-indenting

Problem:    Illegal memory access when C-indenting.
Solution:   Also set the cursor column.
diff --git a/src/testdir/test_cindent.vim b/src/testdir/test_cindent.vim
index 3a536c4..c097ca7 100644
--- a/src/testdir/test_cindent.vim
+++ b/src/testdir/test_cindent.vim
@@ -5314,4 +5314,16 @@
   bwipe!
 endfunc
 
+func Test_find_brace_backwards()
+  " this was looking beyond the end of the line
+  new
+  norm R/*
+  norm o0{
+  norm o//
+  norm V{=
+  call assert_equal(['/*', '   0{', '//'], getline(1, 3))
+  bwipe!
+endfunc
+
+
 " vim: shiftwidth=2 sts=2 expandtab