Fix crash during boot

Modified: trunk/reactos/lib/rtl/env.c

--- trunk/reactos/lib/rtl/env.c	2005-01-18 10:08:31 UTC (rev 13118)
+++ trunk/reactos/lib/rtl/env.c	2005-01-18 10:41:49 UTC (rev 13119)
@@ -533,6 +533,10 @@

 
    if (Environment == NULL)
    {

+      if (NtCurrentPeb() == NULL)
+      {
+         return(STATUS_VARIABLE_NOT_FOUND);
+      }

       Environment = NtCurrentPeb()->ProcessParameters->Environment;
       SysEnvUsed = TRUE;
    }