[vala] Fix typo in valadoc

[Ben Iofel <beniofel src gnome org>]

commit a55d11f4e4bf791ec1d5c7c31f766e39ebf1bf4b
Author: Peter Lamby <peterlamby web de>
Date:   Sun Dec 13 11:05:55 2015 +0100

    Fix typo in valadoc

 vala/valacodecontext.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/vala/valacodecontext.vala b/vala/valacodecontext.vala
index 1fe23b6..b2c2b47 100644
--- a/vala/valacodecontext.vala
+++ b/vala/valacodecontext.vala
@@ -380,7 +380,7 @@ public class Vala.CodeContext {
         * Read the given filename and pull in packages.
         * The method is tolerant if the file does not exist.
         *
-        * @param filename a filanem
+        * @param filename a filename
         * @return false if an error occurs while reading the file or if a package could not be added
         */
        public bool add_packages_from_file (string filename) {