Xwayland: minor cleanup

 river/XwaylandWindow.zig | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/river/XwaylandWindow.zig b/river/XwaylandWindow.zig
index 43e5fc3..5f42c73 100644
--- a/river/XwaylandWindow.zig
+++ b/river/XwaylandWindow.zig
@@ -196,14 +196,11 @@ pub fn handleMap(listener: *wl.Listener(void)) void {
     if (xwindow.xsurface.size_hints) |size_hints| {
         const min_width: u31 = @max(0, size_hints.min_width);
         const min_height: u31 = @max(0, size_hints.min_height);
-        var max_width: u31 = @max(0, size_hints.max_width);
-        var max_height: u31 = @max(0, size_hints.max_height);
-        if (min_width > max_width) {
-            max_width = min_width;
-        }
-        if (min_height > max_height) {
-            max_height = min_height;
-        }
+        // Don't trust X11 clients not to set a min_width greater than their max_width.
+        const max_width: u31 =
+            if (size_hints.max_width <= 0) 0 else @max(min_width, size_hints.max_width);
+        const max_height: u31 =
+            if (size_hints.max_height <= 0) 0 else @max(min_height, size_hints.max_height);
         window.setDimensionsHint(.{
             .min_width = min_width,
             .max_width = max_width,