fixed alias of encoding.

ext/mbstring/libmbfl/filters/mbfilter_utf8_mobile.c

@@ -41,7 +41,7 @@ extern int mbfl_filt_ident_utf8(int c, mbfl_identify_filter *filter);
 extern const unsigned char mblen_table_utf8[];
 
 static const char *mbfl_encoding_utf8_docomo_aliases[] = {"UTF-8-DOCOMO", "UTF8-DOCOMO", NULL};
-static const char *mbfl_encoding_utf8_kddi_a_aliases[] = {"UTF-8-KDDI", "UTF8-KDDI", NULL};
+static const char *mbfl_encoding_utf8_kddi_a_aliases[] = {NULL};
 static const char *mbfl_encoding_utf8_kddi_b_aliases[] = {"UTF-8-Mobile#KDDI", "UTF-8-KDDI", "UTF8-KDDI", NULL};
 static const char *mbfl_encoding_utf8_sb_aliases[] = {"UTF-8-SOFTBANK", "UTF8-SOFTBANK", NULL};