mark graphml_to_gv static

This function is not used outside of its containing file. Squashes a
-Wmissing-prototypes warning.

diff --git a/cmd/tools/graphml2gv.c b/cmd/tools/graphml2gv.c
index 2af7d955328a13cac9d9ec1a52d7a96faf0bc751..d82aaa706c1918b8b4e0594fd4544fa31318ce57 100644 (file)
--- a/cmd/tools/graphml2gv.c
+++ b/cmd/tools/graphml2gv.c
@@ -603,7 +603,7 @@ static void characterDataHandler(void *userData, const char *s, int length)
     agxbput_n(&ud->xml_attr_value, (char *) s, length);
 }
 
-Agraph_t *graphml_to_gv(char* gname, FILE * graphmlFile, int* rv)
+static Agraph_t *graphml_to_gv(char* gname, FILE * graphmlFile, int* rv)
 {
     char buf[BUFSIZE];
     int done;