conky: Patch to #include <stdbool.h> in conky.c.

In current upstream master, they converted conky.c to C++ already, so it's not
an issue there anymore. But until then we need to patch it on our own to fix the
build.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

pkgs/os-specific/linux/conky/default.nix

@@ -8,6 +8,8 @@ stdenv.mkDerivation rec {
     sha256 = "0vxvjmi3cdvnp994sv5zcdyncfn0mlxa71p2wm9zpyrmy58bbwds";
   };
 
+  patches = [ ./stdbool.patch ];
+
   buildInputs = [ pkgconfig libxml2 curl wirelesstools glib openssl ];
   configureFlags =
     (map (x: "--disable-${x}") [ "x11" "xdamage" "own-window" "xft" "lua" "ncurses" ])

pkgs/os-specific/linux/conky/stdbool.patch

@@ -0,0 +1,12 @@
+diff --git a/src/conky.c b/src/conky.c
+index 5848b61..69a3d45 100644
+--- a/src/conky.c
++++ b/src/conky.c
+@@ -34,6 +34,7 @@
+ #include "common.h"
+ #include "timed_thread.h"
+ #include <stdarg.h>
++#include <stdbool.h>
+ #include <math.h>
+ #include <time.h>
+ #include <locale.h>