Install missing build dependency

Author: TheAssassin

ci/Dockerfile.bionic-i386

@@ -4,7 +4,7 @@ ENV ARCH=i386
 
 RUN apt-get update && \
     apt-get install -y \
-        gcc g++ clang make cmake libxpm-dev git libcurl4-openssl-dev wget zlib1g-dev libc6-dev bsdmainutils pkgconf libgcrypt11-dev
+        gcc g++ clang make cmake libxpm-dev git libcurl4-openssl-dev libssl-dev wget zlib1g-dev libc6-dev bsdmainutils pkgconf libgcrypt11-dev
 
 RUN wget https://artifacts.assassinate-you.net/prebuilt-cmake/continuous/cmake-v3.19.1-ubuntu_xenial-i386.tar.gz -O- | \
         tar xz -C /usr/local --strip-components=1

ci/Dockerfile.bionic-x86_64

@@ -4,7 +4,7 @@ ENV ARCH=x86_64
 
 RUN apt-get update && \
     apt-get install -y \
-        gcc g++ clang make cmake libxpm-dev git libcurl4-openssl-dev wget zlib1g-dev libc6-dev bsdmainutils pkgconf libgcrypt11-dev
+        gcc g++ clang make cmake libxpm-dev git libcurl4-openssl-dev libssl-dev wget zlib1g-dev libc6-dev bsdmainutils pkgconf libgcrypt11-dev
 
 RUN wget https://artifacts.assassinate-you.net/prebuilt-cmake/continuous/cmake-v3.19.1-ubuntu_xenial-x86_64.tar.gz -O- | \
         tar xz -C /usr/local --strip-components=1