games/warmux: Patch for gcc >= 6.x.

Disable fribidi (incompatible with the newer version)

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

games/warmux/patches/return-null.patch

@@ -0,0 +1,11 @@
+--- src/interface/weapon_menu.cpp.orig	2016-05-09 15:22:36.895266463 +0200
++++ src/interface/weapon_menu.cpp	2016-05-09 15:21:38.518476191 +0200
+@@ -391,7 +391,7 @@
+ Weapon * WeaponsMenu::UpdateCurrentOverflyItem(const Polygon * poly)
+ {
+   if (!show)
+-    return false;
++    return NULL;
+   const std::vector<PolygonItem *>& items = poly->GetItem();
+   WeaponMenuItem * tmp;
+   Interface::GetInstance()->SetCurrentOverflyWeapon(NULL);

games/warmux/warmux.SlackBuild

@@ -80,6 +80,9 @@ patch -p1 < $CWD/patches/include-zlib.patch
 sed -i "s|SDLNet_Read32(buffer)|SDLNet_Read32(const_cast<char*>(buffer))|" \
   lib/warmux/action/action.cpp
 
+# Fix for gcc-6.x
+patch -p0 < $CWD/patches/return-null.patch
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \
@@ -90,7 +93,7 @@ CXXFLAGS="$SLKCFLAGS" \
   --mandir=/usr/man \
   --program-prefix="" \
   --program-suffix="" \
-  --enable-fribidi \
+  --disable-fribidi \
   --enable-servers \
   --build=$ARCH-slackware-linux