make getLeftNeighbours static

This is not used outside of its containing file.

diff --git a/lib/vpsc/generate-constraints.cpp b/lib/vpsc/generate-constraints.cpp
index 3502f55cb84346b7e246312570b82cd9bd66ae58..c2f618ecbfcc85f48141f048c9b3addb059ca9fb 100644 (file)
--- a/lib/vpsc/generate-constraints.cpp
+++ b/lib/vpsc/generate-constraints.cpp
@@ -86,7 +86,7 @@ bool CmpNodePos::operator() (const Node* u, const Node* v) const {
        return u < v;
 }
 
-NodeSet* getLeftNeighbours(NodeSet &scanline,Node *v) {
+static NodeSet* getLeftNeighbours(NodeSet &scanline,Node *v) {
        NodeSet *leftv = new NodeSet;
        NodeSet::iterator i=scanline.find(v);
        while(i!=scanline.begin()) {