patch 8.1.2034: dark them of GTK 3 not supported
Problem: Dark them of GTK 3 not supported.
Solution: Add the "d" flag in 'guioptions'. (Jonathan Conder, closes #4934)
diff --git a/src/option.h b/src/option.h
index bb68d5a..1d85843 100644
--- a/src/option.h
+++ b/src/option.h
@@ -213,6 +213,7 @@
#define GO_ASELML 'A' // autoselect modeless selection
#define GO_BOT 'b' // use bottom scrollbar
#define GO_CONDIALOG 'c' // use console dialog
+#define GO_DARKTHEME 'd' // use dark theme variant
#define GO_TABLINE 'e' // may show tabline
#define GO_FORG 'f' // start GUI in foreground
#define GO_GREY 'g' // use grey menu items
@@ -231,7 +232,7 @@
#define GO_FOOTER 'F' // add footer
#define GO_VERTICAL 'v' // arrange dialog buttons vertically
#define GO_KEEPWINSIZE 'k' // keep GUI window size
-#define GO_ALL "!aAbcefFghilmMprtTvk" // all possible flags for 'go'
+#define GO_ALL "!aAbcdefFghilmMprtTvk" // all possible flags for 'go'
// flags for 'comments' option
#define COM_NEST 'n' // comments strings nest