fix: compilation on Windows

src/widget/icon/named.rs

@@ -41,6 +41,7 @@ impl Named {
         }
     }
 
+    #[cfg(not(windows))]
     #[must_use]
     pub fn path(self) -> Option<PathBuf> {
         let mut name = &*self.name;
@@ -84,6 +85,13 @@ impl Named {
         })
     }
 
+    #[cfg(windows)]
+    #[must_use]
+    pub fn path(self) -> Option<PathBuf> {
+        //TODO: implement icon lookup for Windows
+        None
+    }
+
     pub fn handle(self) -> Handle {
         Handle {
             symbolic: self.symbolic,