balsa: portability patch for musl.

srcpkgs/balsa/patches/portability.patch

@@ -0,0 +1,10 @@
+--- libbalsa/misc.c.orig	2015-05-31 10:17:19.494312782 +0200
++++ libbalsa/misc.c	2015-05-31 10:17:27.054393821 +0200
+@@ -34,6 +34,7 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <fcntl.h>
+ #include <sys/file.h>
+ #include <sys/stat.h>
+ #include <sys/types.h>

srcpkgs/balsa/template

@@ -1,4 +1,4 @@
-# Template file for 'balsa'
+# Template file for 'balsa'.
 pkgname=balsa
 version=2.5.2
 revision=1