Fix win32 build

Author: fmk

ext/mbstring/config.w32

@@ -21,8 +21,8 @@ if (PHP_MBSTRING == "yes") {
 	ADD_SOURCES("ext/mbstring/libmbfl/filters", "html_entities.c \
 		mbfilter_7bit.c mbfilter_ascii.c mbfilter_base64.c mbfilter_big5.c \
 		mbfilter_byte2.c mbfilter_byte4.c mbfilter_cp1251.c mbfilter_cp1252.c \
-		mbfilter_cp866.c mbfilter_cp932.c mbfilter_cp936.c mbfilter_euc_cn.c \
-		mbfilter_euc_jp.c mbfilter_euc_jp_win.c mbfilter_euc_kr.c \
+		mbfilter_cp866.c mbfilter_cp932.c mbfilter_cp936.c mbfilter_cp51932.c \
+		mbfilter_euc_cn.c mbfilter_euc_jp.c mbfilter_euc_jp_win.c mbfilter_euc_kr.c \
 		mbfilter_euc_tw.c mbfilter_htmlent.c mbfilter_hz.c mbfilter_iso2022_kr.c \
 		mbfilter_iso8859_1.c mbfilter_iso8859_10.c mbfilter_iso8859_13.c \
 		mbfilter_iso8859_14.c mbfilter_iso8859_15.c mbfilter_iso8859_16.c \