patch 8.2.3625: illegal memory access when C-indenting

Problem:    Illegal memory access when C-indenting.
Solution:   Also set the cursor column.

src/cindent.c

@@ -1637,10 +1637,10 @@ get_baseclass_amount(int col)
     static pos_T *
 find_start_brace(void)	    // XXX
 {
-    pos_T	cursor_save;
-    pos_T	*trypos;
-    pos_T	*pos;
-    static pos_T	pos_copy;
+    pos_T	    cursor_save;
+    pos_T	    *trypos;
+    pos_T	    *pos;
+    static pos_T    pos_copy;
 
     cursor_save = curwin->w_cursor;
     while ((trypos = findmatchlimit(NULL, '{', FM_BLOCKSTOP, 0)) != NULL)
@@ -1654,7 +1654,7 @@ find_start_brace(void)	    // XXX
 		       && (pos = ind_find_start_CORS(NULL)) == NULL) // XXX
 	    break;
 	if (pos != NULL)
-	    curwin->w_cursor.lnum = pos->lnum;
+	    curwin->w_cursor = *pos;
     }
     curwin->w_cursor = cursor_save;
     return trypos;

src/testdir/test_cindent.vim

@@ -5314,4 +5314,16 @@ func Test_backslash_at_end_of_line()
   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

src/version.c

@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3625,
 /**/
     3624,
 /**/