games/0ad: BUILD version bump.

Signed-off-by: Dave Woodfall <dave@slackbuilds.org>

games/0ad/0ad.SlackBuild

@@ -27,7 +27,7 @@
 PRGNAM=0ad
 VERSION=${VERSION:-0.0.23b}
 RELEASE=${RELEASE:-alpha}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 CWD=$(pwd)
@@ -57,7 +57,7 @@ else
   LIBDIRSUFFIX=""
 fi
 
-set -eu
+set -e
 
 rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
@@ -81,6 +81,8 @@ export LDFLAGS="-L/usr/lib${LIBDIRSUFFIX}"
 # Fix boost names
 sed -i 's/-mt//g' build/premake/extern_libs4.lua
 
+#allow for ATLAS to be yes.
+[ "x$ATLAS" = "xyes" ]&& ATLAS="enable"
 # build/workspaces/update-workspaces.sh
 #   have a root check, let's disable it.
 patch -p1 < $CWD/disable-root-check.patch

games/0ad/README

@@ -1,6 +1,5 @@
 0 A.D. (pronounced "zero ey-dee") is a free, open-source, cross-platform
 real-time strategy (RTS) game of ancient warfare.
 
-To include the Atlas editor, which requires wxGTK3 as wxPython is too
-old:
+To include the Atlas editor, which requires wxPython3
     ATLAS=enable ./0ad.SlackBuild