in the docker build process, skip the make install for nqptp and take…

… the binary of nqptp from where it is built

docker/Dockerfile

@@ -46,7 +46,6 @@ RUN git checkout "$NQPTP_BRANCH"
 RUN autoreconf -i
 RUN ./configure
 RUN make
-RUN make install
 WORKDIR /
 ##### NQPTP END #####
 
@@ -97,7 +96,7 @@ RUN apk -U add \
 # Copy build files.
 COPY --from=builder /shairport-sync/build/install/usr/local/bin/shairport-sync /usr/local/bin/shairport-sync
 COPY --from=builder /shairport-sync/build/install/usr/local/share/man/man7 /usr/share/man/man7
-COPY --from=builder /usr/local/bin/nqptp /usr/local/bin/nqptp
+COPY --from=builder /nqptp/nqptp /usr/local/bin/nqptp
 COPY --from=builder /usr/local/lib/libalac.* /usr/local/lib/
 COPY --from=builder /shairport-sync/build/install/etc/shairport-sync.conf /etc/
 COPY --from=builder /shairport-sync/build/install/etc/shairport-sync.conf.sample /etc/