Ports: Point libgd to the correct config.sub location

Author: https://github.com/archanox
Commit: dedc534046
Pull-request: https://github.com/SerenityOS/serenity/pull/12966
Reviewed-by: https://github.com/AtkinsSJ
Reviewed-by: https://github.com/linusg

Ports/libgd/package.sh

@@ -3,7 +3,7 @@ port=libgd
 version=2.3.3
 useconfigure=true
 use_fresh_config_sub=true
-config_sub_path=build-aux/config.sub
+config_sub_path=config/config.sub
 files="https://github.com/libgd/libgd/releases/download/gd-${version}/libgd-${version}.tar.gz libgd-${version}.tar.gz dd3f1f0bb016edcc0b2d082e8229c822ad1d02223511997c80461481759b1ed2"
 auth_type=sha256
 depends=("libpng")