Re-enable 0-width lines

Some people were using these as a base for stacks.

diff --git a/src/rrd_graph_helper.c b/src/rrd_graph_helper.c
index 5d3f09298780a2ab526b19d0472ce061fd267d26..bbb470ab61c2dba0be04bbb9487145596e346443 100644 (file)
--- a/src/rrd_graph_helper.c
+++ b/src/rrd_graph_helper.c
@@ -545,7 +545,7 @@ static graph_desc_t* newGraphDescription(image_desc_t *const im,enum gf_en gf,pa
     double linewidth = 1;
     char *t,*x;
     if ((t=getKeyValueArgument("linewidth",1,pa))&&(*t!=0)) {
-      if ((getDouble(t,&linewidth,&x))||(linewidth<=0)) {
+      if ((getDouble(t,&linewidth,&x))||(linewidth<0)) {
        rrd_set_error("Bad line width: %s",t); return NULL;
       }
     }