Remove unused function prototype

diff --git a/ext/mbstring/libmbfl/filters/mbfilter_sjis_2004.c b/ext/mbstring/libmbfl/filters/mbfilter_sjis_2004.c
index dd37bbabba6107e821c0bbe1b762d959038dcf45..da25160b4d0d7386bda4f431e1c1079c8acc436d 100644 (file)
--- a/ext/mbstring/libmbfl/filters/mbfilter_sjis_2004.c
+++ b/ext/mbstring/libmbfl/filters/mbfilter_sjis_2004.c
@@ -39,8 +39,6 @@
 
 extern const unsigned char mblen_table_sjis[];
 
-static int mbfl_filt_ident_sjis2004(int c, mbfl_identify_filter *filter);
-
 extern int mbfl_filt_ident_sjis(int c, mbfl_identify_filter *filter);
 extern int mbfl_bisec_srch(int w, const unsigned short *tbl, int n);
 extern int mbfl_bisec_srch2(int w, const unsigned short tbl[], int n);