43388: allow format=flowed for UTF-8 messages. r=nhotta

git-svn-id: svn://10.0.0.236/trunk@79259 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/mailnews/compose/src/nsMsgCompUtils.cpp

@@ -2165,7 +2165,8 @@ PRBool UseFormatFlowed(const char *charset)
   //
   // The problem is the SPACE format=flowed inserts at the end of
   // the line. Not all charsets like that.
-  if( nsMsgI18Nmultibyte_charset(charset))
+  if( nsCRT::strcasecmp(charset, "UTF-8") &&
+      nsMsgI18Nmultibyte_charset(charset))
     return PR_FALSE;
 
   return PR_TRUE;