libwine_unicode: Renamed is_dbcs_leadbyte to wine_is_dbcs_leadbyte.
diff --git a/dlls/kernel/locale.c b/dlls/kernel/locale.c
index ebeeee2..29064b7 100644
--- a/dlls/kernel/locale.c
+++ b/dlls/kernel/locale.c
@@ -1279,7 +1279,7 @@
 BOOL WINAPI IsDBCSLeadByteEx( UINT codepage, BYTE testchar )
 {
     const union cptable *table = get_codepage_table( codepage );
-    return table && is_dbcs_leadbyte( table, testchar );
+    return table && wine_is_dbcs_leadbyte( table, testchar );
 }
 
 
@@ -1299,7 +1299,7 @@
 BOOL WINAPI IsDBCSLeadByte( BYTE testchar )
 {
     if (!ansi_cptable) return FALSE;
-    return is_dbcs_leadbyte( ansi_cptable, testchar );
+    return wine_is_dbcs_leadbyte( ansi_cptable, testchar );
 }
 
 
diff --git a/dlls/ntdll/rtlstr.c b/dlls/ntdll/rtlstr.c
index 468ac31..8e997e7 100644
--- a/dlls/ntdll/rtlstr.c
+++ b/dlls/ntdll/rtlstr.c
@@ -638,7 +638,7 @@
     WCHAR str;
     DWORD charSize = sizeof(CHAR);
 
-    if (is_dbcs_leadbyte(ansi_table, **ansi))
+    if (wine_is_dbcs_leadbyte(ansi_table, **ansi))
         charSize++;
 
     RtlMultiByteToUnicodeN(&str, sizeof(WCHAR), NULL, *ansi, charSize);
diff --git a/include/wine/unicode.h b/include/wine/unicode.h
index 88e93b2..34ae52b 100644
--- a/include/wine/unicode.h
+++ b/include/wine/unicode.h
@@ -95,7 +95,7 @@
 extern int vsprintfW( WCHAR *str, const WCHAR *format, va_list valist );
 extern int vsnprintfW( WCHAR *str, size_t len, const WCHAR *format, va_list valist );
 
-extern inline int is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
+extern inline int wine_is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
 {
     return (table->info.char_size == 2) && (table->dbcs.cp2uni_leadbytes[ch]);
 }
diff --git a/libs/unicode/string.c b/libs/unicode/string.c
index 7d88586..860e09d 100644
--- a/libs/unicode/string.c
+++ b/libs/unicode/string.c
@@ -27,7 +27,7 @@
 extern const WCHAR wine_casemap_upper[];
 extern const unsigned short wine_wctype_table[];
 
-int is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
+int wine_is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
 {
     return (table->info.char_size == 2) && (table->dbcs.cp2uni_leadbytes[ch]);
 }
diff --git a/libs/unicode/wine_unicode.def b/libs/unicode/wine_unicode.def
index d892629..e582d88 100644
--- a/libs/unicode/wine_unicode.def
+++ b/libs/unicode/wine_unicode.def
@@ -4,7 +4,6 @@
     atoiW
     atolW
     get_char_typeW
-    is_dbcs_leadbyte
     isalnumW
     isalphaW
     iscntrlW
@@ -53,6 +52,7 @@
     wine_cpsymbol_wcstombs
     wine_fold_string
     wine_get_sortkey
+    wine_is_dbcs_leadbyte
     wine_utf8_mbstowcs
     wine_utf8_wcstombs
     wine_wctype_table
diff --git a/libs/unicode/wine_unicode.map b/libs/unicode/wine_unicode.map
index 30e3086..7d98e64 100644
--- a/libs/unicode/wine_unicode.map
+++ b/libs/unicode/wine_unicode.map
@@ -4,7 +4,6 @@
     atoiW;
     atolW;
     get_char_typeW;
-    is_dbcs_leadbyte;
     isalnumW;
     isalphaW;
     iscntrlW;
@@ -53,6 +52,7 @@
     wine_cpsymbol_wcstombs;
     wine_fold_string;
     wine_get_sortkey;
+    wine_is_dbcs_leadbyte;
     wine_utf8_mbstowcs;
     wine_utf8_wcstombs;
     wine_wctype_table;