py-tre: add modeline, adjust whitespace

python/py-tre/Portfile

@@ -1,3 +1,5 @@
+# -*- 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
 PortGroup           python 1.0
 
@@ -28,8 +30,9 @@ checksums           rmd160  8031cc0c421dd0f473b4c98f49aef9805fa65b64 \
 python.versions     27
 
 if {${name} ne ${subport}} {
-    depends_lib-append  port:tre
-
+    depends_lib-append \
+                    port:tre
+
     post-patch {
         reinplace "s|@@MP_INCLUDE_DIR@@|${prefix}/include|g" ${worksrcpath}/setup.py
     }
@@ -39,5 +42,5 @@ if {${name} ne ${subport}} {
             ${destroot}${prefix}/share/doc/${subport}
     }
 
-    livecheck.type      none
+    livecheck.type  none
 }