eboard: add modeline + whitespace changes

games/eboard/Portfile

@@ -1,10 +1,12 @@
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
+
 PortSystem          1.0
 
 name                eboard
 categories          games
 version             1.1.1
-platforms	    darwin
-maintainers	    nomaintainer
+platforms           darwin
+maintainers         nomaintainer
 
 description         eboard is a chess interface just like xboard.
 long_description    \
@@ -15,14 +17,14 @@ long_description    \
 
 homepage            http://www.bergo.eng.br/${name}/
 master_sites        sourceforge
-use_bzip2	    yes
+use_bzip2           yes
 checksums           md5 03dcdaa2bc85218b1b18c4bee276fea7
 
-depends_build	    path:bin/perl:perl5  port:pkgconfig
-depends_lib	    port:gtk2
+depends_build       path:bin/perl:perl5  port:pkgconfig
+depends_lib         port:gtk2
 
-patchfiles      configure.patch
+patchfiles          configure.patch
 
 configure.cmd       ${prefix}/bin/perl ./configure
-configure.args	    --man-prefix=${prefix}/share/man \
+configure.args      --man-prefix=${prefix}/share/man \
                     --compiler=\${CXX}