Make sure n_clbls is initialized

diff --git a/lib/common/postproc.c b/lib/common/postproc.c
index ac211287decec6bdad87262b745ba5efa508f8d9..65fc35f009a51a4f73d36e902691f1950a809025 100644 (file)
--- a/lib/common/postproc.c
+++ b/lib/common/postproc.c
@@ -408,7 +408,7 @@ static void addXLabels(Agraph_t * gp)
     int n_nlbls = 0;           /* # of unset node xlabels */
     int n_elbls = 0;           /* # of unset edge labels or xlabels */
     int n_set_lbls = 0;                /* # of set xlabels and edge labels */
-    int n_clbls;               /* # of set cluster labels */
+    int n_clbls = 0;           /* # of set cluster labels */
     boxf bb;
     pointf ur;
     textlabel_t* lp;