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-rw-r--r--libqpdf/Pl_ASCII85Decoder.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libqpdf/Pl_ASCII85Decoder.cc b/libqpdf/Pl_ASCII85Decoder.cc
index 3a3b57b1..b8df3e87 100644
--- a/libqpdf/Pl_ASCII85Decoder.cc
+++ b/libqpdf/Pl_ASCII85Decoder.cc
@@ -106,7 +106,7 @@ Pl_ASCII85Decoder::flush()
for (int i = 0; i < 5; ++i)
{
lval *= 85;
- lval += (this->inbuf[i] - 33);
+ lval += (this->inbuf[i] - 33U);
}
unsigned char outbuf[4];