Fix unmet dependency

Author: rongxi.li

Dockerfile

@@ -1,5 +1,5 @@
 FROM debian:9
 RUN echo 'export PATH=$HOME/.roswell/bin:$PATH' >> ~/.bashrc
-RUN apt update && apt install -y curl make bzip2 &&\
+RUN apt update && apt install -y curl make bzip2 libcurl3-gnutls &&\
     curl -L -O https://github.com/roswell/roswell/releases/download/v17.10.10.83/roswell_17.10.10.83-1_amd64.deb &&\ 
     dpkg -i *.deb && ros && rm *.deb