fixed build script

build.py

@@ -90,7 +90,8 @@ def process_root(src_root: Path, out_root: Path, minify: bool, micro: bool):
                 continue
 
             rel = src.relative_to(pkg_dir)
-            if rel=="$PKGCONFIG.ini":
+            
+            if rel.name=="$PKGCONFIG.ini":
                 continue
 
             dst = out_root / rel