updated for version 7.3.277
Problem:    MS-Windows: some characters do not show in dialogs.
Solution:   Use the wide methods when available. (Yanwei Jia)
diff --git a/src/os_mswin.c b/src/os_mswin.c
index 1c1348a..49b1428 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -1856,12 +1856,12 @@
 {
     MSG msg;
 
-    while (!*bUserAbort && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+    while (!*bUserAbort && pPeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
     {
-	if (!hDlgPrint || !IsDialogMessage(hDlgPrint, &msg))
+	if (!hDlgPrint || !pIsDialogMessage(hDlgPrint, &msg))
 	{
 	    TranslateMessage(&msg);
-	    DispatchMessage(&msg);
+	    pDispatchMessage(&msg);
 	}
     }
     return !*bUserAbort;
@@ -3132,10 +3132,10 @@
 {
     MSG msg;
 
-    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+    while (pPeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
     {
 	TranslateMessage(&msg);
-	DispatchMessage(&msg);
+	pDispatchMessage(&msg);
     }
 }