change doEffect functions to use const& parameters

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

diff --git a/src/live_effects/lpe-gears.cpp b/src/live_effects/lpe-gears.cpp
index 699f2c83bb96c7b5dd43b4bb7d1a23482c67f410..7dcd32fcce710b6d6703e1c8eb511fa7fbb97f5e 100644 (file)
--- a/src/live_effects/lpe-gears.cpp
+++ b/src/live_effects/lpe-gears.cpp
@@ -231,7 +231,7 @@ LPEGears::~LPEGears()
 }
 
 std::vector<Geom::Path>
-LPEGears::doEffect_path (std::vector<Geom::Path> & path_in)
+LPEGears::doEffect_path (std::vector<Geom::Path> const & path_in)
 {
     std::vector<Geom::Path> path_out;
     Geom::Path gearpath = path_in[0];