winedbg: Correct header for virtual memory mapping for end address.

The virtual memory mapping info retrieved by the command "info maps" has
the end address in the second column, even though the title for the
column says "Size".

programs/winedbg/info.c

@@ -639,7 +639,7 @@ void info_win32_virtual(DWORD pid)
         }
     }
 
-    dbg_printf("Address  Size     State   Type    RWX\n");
+    dbg_printf("Address  End      State   Type    RWX\n");
 
     while (VirtualQueryEx(hProc, addr, &mbi, sizeof(mbi)) >= sizeof(mbi))
     {