change doEffect functions to use const& parameters

[inkscape.git] / src / live_effects / lpe-curvestitch.cpp

diff --git a/src/live_effects/lpe-curvestitch.cpp b/src/live_effects/lpe-curvestitch.cpp
index dc9cfe63587d906b2c9c192fb84d7ad7a6d19af1..18647cf48f4aaf70b27afa86df1e1483cf893401 100644 (file)
--- a/src/live_effects/lpe-curvestitch.cpp
+++ b/src/live_effects/lpe-curvestitch.cpp
@@ -72,7 +72,7 @@ LPECurveStitch::~LPECurveStitch()
 }
 
 std::vector<Geom::Path>
-LPECurveStitch::doEffect_path (std::vector<Geom::Path> & path_in)
+LPECurveStitch::doEffect_path (std::vector<Geom::Path> const & path_in)
 {
     if (path_in.size() >= 2) {
         startpoint_edge_variation.resetRandomizer();