Cleanup: const correctness.

[dcpomatic.git] / src / lib / collator.cc

diff --git a/src/lib/collator.cc b/src/lib/collator.cc
index 4f52597c29bf83eea2b768a6d63e9d4d06ef0b81..17afbe852c2208f7d1d70cf1c3631c67c570fb70 100644 (file)
--- a/src/lib/collator.cc
+++ b/src/lib/collator.cc
@@ -53,7 +53,7 @@ Collator::~Collator()
 
 
 int
-Collator::compare (string const& utf8_a, string const& utf8_b)
+Collator::compare (string const& utf8_a, string const& utf8_b) const
 {
        if (_collator) {
                UErrorCode error = U_ZERO_ERROR;