popen() requires pclose().

diff --git a/src/graph.c b/src/graph.c
index b5af224..eadb36a 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -364,9 +364,10 @@ void dump_graph(void)
 
        fprintf(file, "}\n");   
        
-       fclose(file);
-
-       if(filename[0] != '|') {
+       if(filename[0] == '|') {
+               pclose(file);
+       } else {
+               fclose(file);
                rename(tmpname, filename);
                free(tmpname);
        }