Add missed _mbscoll function.

dlls/msvcrt/mbcs.c

@@ -408,6 +408,34 @@ int _mbsicoll(const unsigned char* str, const unsigned char* cmp)
   return u_strcasecmp(str, cmp); /* ASCII CP */
 }
 
+/*********************************************************************
+ *		_mbscoll(MSVCRT.@)
+ * Performs a case-sensitive comparison according to the current code page
+ * RETURN
+ *   _NLSCMPERROR if error
+ * FIXME: handle locales.
+ */
+int _mbscoll(const unsigned char* str, const unsigned char* cmp)
+{
+  if(MSVCRT___mb_cur_max > 1)
+  {
+    unsigned int strc, cmpc;
+    do {
+      if(!*str)
+        return *cmp ? -1 : 0;
+      if(!*cmp)
+        return 1;
+      strc = _mbsnextc(str);
+      cmpc = _mbsnextc(cmp);
+      if(strc != cmpc)
+        return strc < cmpc ? -1 : 1;
+      str +=(strc > 255) ? 2 : 1;
+      cmp +=(strc > 255) ? 2 : 1; /* equal, use same increment */
+    } while(1);
+  }
+  return u_strcmp(str, cmp); /* ASCII CP */
+}
+
 
 /*********************************************************************
  *		_mbsicmp(MSVCRT.@)

dlls/msvcrt/msvcrt.spec

@@ -349,7 +349,7 @@
 @ cdecl _mbscat(str str) strcat
 @ cdecl _mbschr(str long)
 @ cdecl _mbscmp(str str)
-@ stub _mbscoll #(str str)
+@ cdecl _mbscoll(str str)
 @ cdecl _mbscpy(ptr str) strcpy
 @ cdecl _mbscspn (str str)
 @ cdecl _mbsdec(ptr ptr)