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-rw-r--r--src/libcola/straightener.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libcola/straightener.cpp b/src/libcola/straightener.cpp
index 0ecd82faa..650f41aac 100644
--- a/src/libcola/straightener.cpp
+++ b/src/libcola/straightener.cpp
@@ -109,7 +109,7 @@ namespace straightener {
Event(EventType t, Edge *e, double p) : type(t),v(NULL),e(e),pos(p) {};
};
Event **events;
- int compare_events(const void *a, const void *b) {
+ static int compare_events(const void *a, const void *b) {
Event *ea=*(Event**)a;
Event *eb=*(Event**)b;
if((ea->v!=NULL&&ea->v==eb->v)||(ea->e!=NULL&&ea->e==eb->e)) {