Additional error checking.

ms/do_fips.bat

@@ -56,7 +56,9 @@ perl util\mk1mf.pl dll %ASM% %TARGET% >ms\ntdll.mak
 @if ERRORLEVEL 1 goto error
 
 nmake -f ms\ntdll.mak clean
+@if ERRORLEVEL 1 goto error
 nmake -f ms\ntdll.mak
+@if ERRORLEVEL 1 goto error
 nmake -f ms\ntdll.mak install
 @if ERRORLEVEL 1 goto error
 

util/fipsas.pl

@@ -49,11 +49,11 @@ while (<IN>)
 my ($from, $to);
 
 #rename target temporarily
-rename($target, "tmptarg.s") || die "Can't rename $target\n";
+rename($target, "tmptarg.s") || die "Can't rename $target";
 
 #edit target
-open IN,"tmptarg.s";
-open OUT, ">$target";
+open(IN,"tmptarg.s") || die "Can't open temporary file";
+open(OUT, ">$target") || die "Can't open output file $target";
 
 while (<IN>)
 {