add dialog and whiptail

Dockerfile

@@ -59,7 +59,9 @@ RUN sed -i 's/^Types: deb$/Types: deb deb-src/' /etc/apt/sources.list.d/debian.s
     p7zip-full \
     tar \
     gzip \
-    bzip2 && \
+    bzip2 \
+    dialog \
+    whiptail && \
     apt-get build-dep -y pulseaudio && \
     cd /tmp && \
     apt-get source pulseaudio && \