bs: update to v2.13

games/bs/Portfile

@@ -5,7 +5,7 @@ PortSystem          1.0
 PortGroup           makefile 1.0
 
 name                bs
-version             2.11
+version             2.13
 revision            0
 
 homepage            http://www.catb.org/~esr/bs/
@@ -19,13 +19,11 @@ long_description \
     character-cell graphics with a visual point-and-shoot interface. \
     If you're using an xterm under Linux the mouse will work.
 
-platforms           darwin
-
 master_sites        ${homepage}
 
-checksums           rmd160  a4747e68d9648bc8a89286ccd05c3699464f12d1 \
-                    sha256  a53e22a94ed590a3e6720816f8b5750134fa004e7e738e0b123b77ac9668b026 \
-                    size    14967
+checksums           rmd160  46c7fa6c92a8a8b10fd74c69e7da3bc3e74d3f3d \
+                    sha256  7ed6385c0e953d66171f3acf2a49b03f9c29e31f3b4739994702564cc32e32ed \
+                    size    14242
 
 patch {
     reinplace "s|/usr|${prefix}|g" ${worksrcpath}/Makefile