change spelling of the encoding

Apparently jython doesn't understand "utf_8". Fixes #46.

1 files changed, 1 insertions, 1 deletions

diff --git a/babel/util.py b/babel/util.py
index f46ee2b..a65fce3 100644
--- a/babel/util.py
+++ b/babel/util.py
@@ -80,7 +80,7 @@ def parse_encoding(fp):
                 raise SyntaxError(
                     "python refuses to compile code with both a UTF8 "
                     "byte-order-mark and a magic encoding comment")
-            return 'utf_8'
+            return 'utf-8'
         elif m:
             return m.group(1).decode('latin-1')
         else: