patch 7.4.1809

Problem:    Using wrong short option name for 'termguicolors'.
Solution:   Use the option name.

runtime/optwin.vim

@@ -414,7 +414,7 @@ call append("$", "hlsearch\thighlight all matches for the last used search patte
 call <SID>BinOptionG("hls", &hls)
 if has("termguicolors")
   call append("$", "termguicolors\tuse GUI colors for the terminal")
-  call <SID>BinOptionG("tgc", &gcol)
+  call <SID>BinOptionG("tgc", &tgc)
 endif
 if has("syntax")
   call append("$", "cursorcolumn\thighlight the screen column of the cursor")

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1809,
 /**/
     1808,
 /**/