Unbreak MSVC build broken by my port of flex check.

adunstan · adunstan · commit 6a56a38f0177 · 2011-08-26T10:21:43.000-04:00
flex puts lex.backup in the current working directory regardless
of where the input and output are.
diff --git a/src/tools/msvc/pgflex.pl b/src/tools/msvc/pgflex.pl
@@ -67,7 +67,7 @@
     }
 	if ($flexflags =~ /\s-b\s/)
 	{
-		my $lexback = dirname($input) . "/lex.backup";
+		my $lexback = "lex.backup";
 		open($lfile,$lexback) || die "opening $lexback for reading: $!";
 		my $lexbacklines = <$lfile>;
 		close($lfile);

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,7 @@`
`67`	`67`	`}`
`68`	`68`	`if ($flexflags =~ /\s-b\s/)`
`69`	`69`	`{`
`70`		`- my $lexback = dirname($input) . "/lex.backup";`
	`70`	`+ my $lexback = "lex.backup";`
`71`	`71`	`open($lfile,$lexback) \|\| die "opening $lexback for reading: $!";`
`72`	`72`	`my $lexbacklines = <$lfile>;`
`73`	`73`	`close($lfile);`