msvcr: Add _ungetch_nolock implementation.

dlls/msvcr100/msvcr100.spec

@@ -1410,7 +1410,7 @@
 @ stub _umask_s
 @ cdecl _ungetc_nolock(long ptr) MSVCRT__ungetc_nolock
 @ cdecl _ungetch(long)
-@ stub _ungetch_nolock
+@ cdecl _ungetch_nolock(long)
 @ cdecl _ungetwc_nolock(long ptr) MSVCRT__ungetwc_nolock
 @ stub _ungetwch
 @ stub _ungetwch_nolock

dlls/msvcr110/msvcr110.spec

@@ -1768,7 +1768,7 @@
 @ stub _umask_s
 @ cdecl _ungetc_nolock(long ptr) MSVCRT__ungetc_nolock
 @ cdecl _ungetch(long)
-@ stub _ungetch_nolock
+@ cdecl _ungetch_nolock(long)
 @ cdecl _ungetwc_nolock(long ptr) MSVCRT__ungetwc_nolock
 @ stub _ungetwch
 @ stub _ungetwch_nolock

dlls/msvcr120/msvcr120.spec

@@ -1782,7 +1782,7 @@
 @ stub _umask_s
 @ cdecl _ungetc_nolock(long ptr) MSVCRT__ungetc_nolock
 @ cdecl _ungetch(long)
-@ stub _ungetch_nolock
+@ cdecl _ungetch_nolock(long)
 @ cdecl _ungetwc_nolock(long ptr) MSVCRT__ungetwc_nolock
 @ stub _ungetwch
 @ stub _ungetwch_nolock

dlls/msvcr80/msvcr80.spec

@@ -1090,7 +1090,7 @@
 @ stub _umask_s
 @ cdecl _ungetc_nolock(long ptr) MSVCRT__ungetc_nolock
 @ cdecl _ungetch(long)
-@ stub _ungetch_nolock
+@ cdecl _ungetch_nolock(long)
 @ cdecl _ungetwc_nolock(long ptr) MSVCRT__ungetwc_nolock
 @ stub _ungetwch
 @ stub _ungetwch_nolock

dlls/msvcr90/msvcr90.spec

@@ -1065,7 +1065,7 @@
 @ stub _umask_s
 @ cdecl _ungetc_nolock(long ptr) MSVCRT__ungetc_nolock
 @ cdecl _ungetch(long)
-@ stub _ungetch_nolock
+@ cdecl _ungetch_nolock(long)
 @ cdecl _ungetwc_nolock(long ptr) MSVCRT__ungetwc_nolock
 @ stub _ungetwch
 @ stub _ungetwch_nolock

dlls/msvcrt/console.c

@@ -280,19 +280,28 @@ char* CDECL _cgets(char* str)
 }
 
 /*********************************************************************
- *		_ungetch (MSVCRT.@)
+ *		_ungetch_nolock (MSVCRT.@)
  */
-int CDECL _ungetch(int c)
+int CDECL _ungetch_nolock(int c)
 {
   int retval = MSVCRT_EOF;
-  LOCK_CONSOLE;
   if (c != MSVCRT_EOF && __MSVCRT_console_buffer == MSVCRT_EOF)
     retval = __MSVCRT_console_buffer = c;
-  UNLOCK_CONSOLE;
   return retval;
 }
 
 /*********************************************************************
+ *		_ungetch (MSVCRT.@)
+ */
+int CDECL _ungetch(int c)
+{
+    LOCK_CONSOLE;
+    c = _ungetch_nolock(c);
+    UNLOCK_CONSOLE;
+    return c;
+}
+
+/*********************************************************************
  *		_kbhit (MSVCRT.@)
  */
 int CDECL _kbhit(void)