fixes safe_str method

- trye directly to encode with given encoding instead of trying to make a string out of the unicode

rhodecode/lib/__init__.py

@@ -177,7 +177,7 b" def safe_unicode(str_, from_encoding='ut"
     except UnicodeDecodeError:
         pass
     
-    try:
+    try:        
         import chardet
         encoding = chardet.detect(str_)['encoding']
         if encoding is None:
@@ -203,7 +203,7 b" def safe_str(unicode_, to_encoding='utf8"
         return unicode_
 
     try:
-        return str(unicode_)
+        return unicode_.encode(to_encoding)
     except UnicodeEncodeError:
         pass