pingus: fix build with gcc7

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>

recipes-games/pingus/pingus/0001-Add-missing-header-for-std-function-and-std-bind.patch

@@ -0,0 +1,28 @@
+From df6e2f445d3e2925a94d22faeb17be9444513e92 Mon Sep 17 00:00:00 2001
+From: Jonathan Wakely <jwakely@redhat.com>
+Date: Mon, 30 Jan 2017 15:41:53 +0000
+Subject: [PATCH] Add missing header for std::function and std::bind
+
+
+Upstream-Status: Submitted [1]
+
+[1] https://github.com/Pingus/pingus/commit/df6e2f445d3e2925a94d22faeb17be9444513e92
+---
+ src/pingus/screens/demo_session.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/pingus/screens/demo_session.cpp b/src/pingus/screens/demo_session.cpp
+index e3ec49a..f887e50 100644
+--- a/src/pingus/screens/demo_session.cpp
++++ b/src/pingus/screens/demo_session.cpp
+@@ -18,6 +18,7 @@
+ 
+ #include <algorithm>
+ #include <iostream>
++#include <functional>
+ 
+ #include "engine/gui/gui_manager.hpp"
+ #include "engine/gui/surface_button.hpp"
+-- 
+2.9.4
+

recipes-games/pingus/pingus_0.7.6.bb

@@ -4,12 +4,13 @@ LICENSE = "GPLv3+"
 LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504"
 HOMEPAGE = "http://pingus.seul.org/"
 
-RDEPENDS_${PN} += "libmikmod guile bash"
+RDEPENDS_${PN} += "libmikmod bash"
 
 inherit scons pythonnative
 
 SRC_URI = "\
   https://github.com/Pingus/${PN}/archive/v${PV}.tar.gz \
+  file://0001-Add-missing-header-for-std-function-and-std-bind.patch \
   file://version.patch \
   file://sdl_pkgconfig.patch \
   file://pingus.desktop \