python-multipart: fix build

Author: DavidKorczynski

projects/python-multipart/Dockerfile

@@ -19,5 +19,5 @@ RUN apt-get update && apt-get install -y make autoconf automake libtool
 RUN git clone --depth 1 https://github.com/Kludex/python-multipart python-multipart
 RUN python3 -m pip install --upgrade pip
 WORKDIR python-multipart
-COPY *.patch $SRC/python-multipart
+COPY *.patch $SRC/python-multipart/
 COPY build.sh *.options $SRC/