mark country_graph_coloring_internal static

This function is not used outside of its containing file.

diff --git a/cmd/gvmap/country_graph_coloring.c b/cmd/gvmap/country_graph_coloring.c
index 2b8a7fb000b4bf4ae04ceefef33c25de1784c86f..c2a00b252e3dedf47554da7e4eab90ab175338d3 100644 (file)
--- a/cmd/gvmap/country_graph_coloring.c
+++ b/cmd/gvmap/country_graph_coloring.c
@@ -269,7 +269,7 @@ void improve_antibandwidth_by_swapping(SparseMatrix A, int *p){
   fclose(fp);
 }
   
-void country_graph_coloring_internal(int seed, SparseMatrix A, int **p, real *norm_1, int do_swapping){
+static void country_graph_coloring_internal(int seed, SparseMatrix A, int **p, real *norm_1, int do_swapping){
   int n = A->m, i, j, jj;
   SparseMatrix L, A2;
   int *ia = A->ia, *ja = A->ja;