Recognize Makefile line continuations in fetchRegressOpts().

Back-patch to 9.0 (all supported versions).  This is mere
future-proofing in the context of the master branch, but commit
f6dc6dd5ba54d52c0733aaafc50da2fbaeabb8b0 requires it of older branches.

diff --git a/src/tools/msvc/vcregress.pl b/src/tools/msvc/vcregress.pl
index 30da0ba0e653621394b9f70b93cb71576d95b4dc..244c2b127a0bf5a528b86ffcbf850853045080a1 100644 (file)
--- a/src/tools/msvc/vcregress.pl
+++ b/src/tools/msvc/vcregress.pl
@@ -333,6 +333,8 @@ sub fetchRegressOpts
        my $m = <$handle>;
        close($handle);
        my @opts;
+
+       $m =~ s{\\\r?\n}{}g;
        if ($m =~ /^\s*REGRESS_OPTS\s*=(.*)/m)
        {