kernel: Write-strings warnings fixes.

dlls/kernel/oldconfig.c

@@ -96,7 +96,7 @@ static ULONG allocate_default_keys(void)
  * NOTE: programs usually read these registry entries after sending the
  *       IOCTL_SCSI_GET_ADDRESS ioctl to the cdrom
  */
-static void create_scsi_entry( PSCSI_ADDRESS scsi_addr, LPSTR lpDriver, UINT uDriveType,
+static void create_scsi_entry( PSCSI_ADDRESS scsi_addr, LPCSTR lpDriver, UINT uDriveType,
     LPSTR lpDriveName, LPSTR lpUnixDeviceName )
 {
     static UCHAR uCdromNumber = 0;

dlls/kernel/thunk.c

@@ -323,7 +323,7 @@ static LPVOID _loadthunk(LPCSTR module, LPCSTR func, LPCSTR module32,
 /***********************************************************************
  *           GetThunkStuff    (KERNEL32.53)
  */
-LPVOID WINAPI GetThunkStuff(LPSTR module, LPSTR func)
+LPVOID WINAPI GetThunkStuff(LPCSTR module, LPCSTR func)
 {
     return _loadthunk(module, func, "<kernel>", NULL, 0L);
 }