64-bit fix

git-svn-id: svn+q:///qpdf/trunk@610 71b93d88-0707-0410-a8cf-f5a4172ac649

1 files changed, 1 insertions, 1 deletions

diff --git a/libqpdf/QPDF_encryption.cc b/libqpdf/QPDF_encryption.cc
index 7edeca29..d1faefef 100644
--- a/libqpdf/QPDF_encryption.cc
+++ b/libqpdf/QPDF_encryption.cc
@@ -26,7 +26,7 @@ static unsigned int const key_bytes = 32;
 void
 pad_or_truncate_password(std::string const& password, char k1[key_bytes])
 {
-    int password_bytes = std::min(key_bytes, password.length());
+    int password_bytes = std::min((size_t) key_bytes, password.length());
     int pad_bytes = key_bytes - password_bytes;
     memcpy(k1, password.c_str(), password_bytes);
     memcpy(k1 + password_bytes, padding_string, pad_bytes);