Improve compiler

%:p uses full file path

Fixes #5

Author: Bruno Sutic

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ### master
 - do not remap `K` if normal mode mapping is already defined
+- update compiler file
 
 ### v3.0.0, 2014-11-16
 - add a minor indentation rule for multi-line strings.

compiler/tmux.vim

@@ -10,7 +10,7 @@ endif
 let s:cpo_save = &cpo
 set cpo-=C
 
-CompilerSet makeprg=tmux\ source-file\ %
+CompilerSet makeprg=tmux\ source-file\ %:p
 
 CompilerSet errorformat=
     \%f:%l:%m,