Fix a buffer overflow in OutputDebugStringA. Spotted by mbealby@gmail.com.

Modified: trunk/reactos/lib/kernel32/debug/output.c

--- trunk/reactos/lib/kernel32/debug/output.c	2005-12-09 14:59:10 UTC (rev 20007)
+++ trunk/reactos/lib/kernel32/debug/output.c	2005-12-09 17:06:02 UTC (rev 20008)
@@ -397,10 +397,10 @@

        nRoundLen = nOutputStringLen;
 
       /* copy the current block into the buffer */

-      memcpy(pDBMonBuffer->Buffer, _OutputString, nOutputStringLen);

+      memcpy(pDBMonBuffer->Buffer, _OutputString, nRoundLen);

 
       /* null-terminate the current block */

-      pDBMonBuffer->Buffer[nOutputStringLen] = 0;

+      pDBMonBuffer->Buffer[nRoundLen] = 0;

 
       /* signal that the data contains meaningful data and can be read */
       SetEvent(hDBMonDataReady);