Fix typo in get_xft_dpi

CHANGELOG.md

@@ -18,6 +18,7 @@ Unreleased` header.
 - On X11, fix a bug where focusing the window would panic.
 - On macOS, fix `refresh_rate_millihertz`.
 - On Wayland, disable Client Side Decorations when `wl_subcompositor` is not supported.
+- On X11, fix `Xft.dpi` detection from Xresources.
 
 # 0.29.4
 

src/platform_impl/linux/x11/util/randr.rs

@@ -38,7 +38,7 @@ impl XConnection {
     // Retrieve DPI from Xft.dpi property
     pub fn get_xft_dpi(&self) -> Option<f64> {
         self.database()
-            .get_string("Xfi.dpi", "")
+            .get_string("Xft.dpi", "")
             .and_then(|s| f64::from_str(s).ok())
     }
     pub fn get_output_info(