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-rw-r--r--src/tools/msvc/pgflex.pl2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/tools/msvc/pgflex.pl b/src/tools/msvc/pgflex.pl
index aceed5ffd6c..26c73dbfade 100644
--- a/src/tools/msvc/pgflex.pl
+++ b/src/tools/msvc/pgflex.pl
@@ -3,6 +3,8 @@
# src/tools/msvc/pgflex.pl
use strict;
+use warnings;
+
use File::Basename;
# silence flex bleatings about file path style