patch 8.1.2324: with of scrollbar in popup menu not taken into account

Problem:    With of scrollbar in popup menu not taken into account.
Solution:   Add the width of the scrollbar.

src/popupmenu.c

@@ -628,7 +628,7 @@ pum_redraw(void)
     void
 pum_position_info_popup(win_T *wp)
 {
-    int col = pum_col + pum_width + 1;
+    int col = pum_col + pum_width + pum_scrollbar + 1;
     int row = pum_row;
     int botpos = POPPOS_BOTLEFT;
 
@@ -745,7 +745,7 @@ pum_set_selected(int n, int repeat UNUSED)
 #if defined(FEAT_QUICKFIX)
 	/*
 	 * Show extra info in the preview window if there is something and
-	 * 'completeopt' contains "preview" or "popup".
+	 * 'completeopt' contains "preview" or "popup" or "popuphidden".
 	 * Skip this when tried twice already.
 	 * Skip this also when there is not much room.
 	 * NOTE: Be very careful not to sync undo!

src/testdir/dumps/Test_popupwin_infopopup_6.dump

@@ -0,0 +1,14 @@
+|a+0&#ffffff0|w|o|r|d> @17|╔+0&#ffff4012|═@15|X| +0&#ffffff0@33
+|w+0#0000001#e0e0e08|r|d| @4|W| |e|x|t|r|a| |t|e|x|t| @1| +0#0000000#0000001|║+0&#ffff4012| |w|o|r|d|s| |a|r|e| |c|o@1|l| |║| +0#4040ff13#ffffff0@33
+|a+0#0000001#ffd7ff255|n|o|t|w|r|d| |W| |e|x|t|r|a| |t|e|x|t| @1| +0#0000000#0000001|╚+0&#ffff4012|═@15|⇲| +0#4040ff13#ffffff0@33
+|n+0#0000001#ffd7ff255|o|a|w|r|d| @1|W| |e|x|t|r|a| |t|e|x|t| @1| +0#0000000#a8a8a8255| +0#4040ff13#ffffff0@51
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|-+2#0000000&@1| |U|s|e|r| |d|e|f|i|n|e|d| |c|o|m|p|l|e|t|i|o|n| |(|^|U|^|N|^|P|)| |m+0#00e0003&|a|t|c|h| |1| |o|f| |4| +0#0000000&@26

src/testdir/test_popupwin.vim

@@ -2896,6 +2896,12 @@ func Test_popupmenu_info_border()
   call term_sendkeys(buf, "\<C-N>\<C-N>")
   call VerifyScreenDump(buf, 'Test_popupwin_infopopup_5', {})
 
+  " Test that the popupmenu's scrollbar and infopopup do not overlap
+  call term_sendkeys(buf, "\<Esc>")
+  call term_sendkeys(buf, ":set pumheight=3\<CR>")
+  call term_sendkeys(buf, "cc\<C-X>\<C-U>")
+  call VerifyScreenDump(buf, 'Test_popupwin_infopopup_6', {})
+
   call StopVimInTerminal(buf)
   call delete('XtestInfoPopup')
 endfunc

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2324,
 /**/
     2323,
 /**/