Add neomutt version of sidebar patch. (closes #3829)

This is the patch from neomutt; branch 'devel/win-sidebar'; commit
c796fa85f9cacefb69b8f7d8545fc9ba71674180 with the following changes:

  - move the sample muttrc and vimrc to contrib.
  - remove the README.sidebar.
  - empty out the PATCHES file.

1 files changed, 14 insertions, 0 deletions

diff --git a/globals.h b/globals.h
index abefade3..cf8c5f0c 100644
--- a/globals.h
+++ b/globals.h
@@ -118,6 +118,12 @@ WHERE short SearchContext;
 WHERE char *SendCharset;
 WHERE char *Sendmail;
 WHERE char *Shell;
+#ifdef USE_SIDEBAR
+WHERE char *SidebarDelimChars;
+WHERE char *SidebarDividerChar;
+WHERE char *SidebarFormat;
+WHERE char *SidebarIndentString;
+#endif
 WHERE char *Signature;
 WHERE char *SimpleSearch;
 #if USE_SMTP
@@ -214,6 +220,14 @@ WHERE short ScoreThresholdDelete;
 WHERE short ScoreThresholdRead;
 WHERE short ScoreThresholdFlag;
 
+/* This isn't excluded from the build because it's too entwined in the code.
+ * For now. */
+WHERE short SidebarWidth;
+#ifdef USE_SIDEBAR
+WHERE short SidebarRefreshTime;
+WHERE LIST *SidebarWhitelist INITVAL(0);
+#endif
+
 #ifdef USE_IMAP
 WHERE short ImapKeepalive;
 WHERE short ImapPipelineDepth;