lib: Change mail address of Oskar Schirmer

That old mail address doesnt exist any more.
This changes all occurences to my new address.

Signed-off-by: Oskar Schirmer <oskar@scara.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/lib/rational.c b/lib/rational.c
index d326da3..f0aa21c 100644
--- a/lib/rational.c
+++ b/lib/rational.c
@@ -1,7 +1,7 @@
 /*
  * rational fractions
  *
- * Copyright (C) 2009 emlix GmbH, Oskar Schirmer <os@emlix.com>
+ * Copyright (C) 2009 emlix GmbH, Oskar Schirmer <oskar@scara.com>
  *
  * helper functions when coping with rational numbers
  */