edgepaint: free 'lightness' prior to exit

Some small progress to becoming leak-free even on clean exit.

diff --git a/cmd/edgepaint/edgepaintmain.c b/cmd/edgepaint/edgepaintmain.c
index 7bc307cdf7df43103ed9eee660e66fe81cad8a6c..f85b797dc1ee7cd38b01a726027f1a3956965a1e 100644 (file)
--- a/cmd/edgepaint/edgepaintmain.c
+++ b/cmd/edgepaint/edgepaintmain.c
@@ -309,5 +309,7 @@ int main(int argc, char *argv[])
                }
        }
 
+       free(lightness);
+
        graphviz_exit(rv);
 }