poly_init: rephrase some open coded 'fmax'

diff --git a/lib/common/shapes.c b/lib/common/shapes.c
index fa56b165906f87876c23abc55d4659e2effbe425..ff603e276b92042cca5a08bb7f177cea3a599b23 100644 (file)
--- a/lib/common/shapes.c
+++ b/lib/common/shapes.c
@@ -1902,10 +1902,8 @@ static void poly_init(node_t * n)
            if ((p = agget(n, "margin"))) {
                marginx = marginy = 0;
                i = sscanf(p, "%lf,%lf", &marginx, &marginy);
-               if (marginx < 0)
-                   marginx = 0;
-               if (marginy < 0)
-                   marginy = 0;
+               marginx = fmax(marginx, 0);
+               marginy = fmax(marginy, 0);
                if (i > 0) {
                    dimen.x += 2 * POINTS(marginx);
                    if (i > 1)