Fix some build errors

(cherry picked from commit cb9004e4cfa94251ab0d31f19fee187fc4e9abcc)

.circleci/config.yml

@@ -43,7 +43,7 @@ jobs:
             - v1-SRB2-APT
       - run:
           name: Install SDK
-          command: apt-get -qq -y --no-install-recommends install git build-essential nasm libpng-dev:i386 libsdl2-mixer-dev:i386 libgme-dev:i386 libopenmpt-dev:i386 gettext ccache wget gcc-multilib upx openssh-client
+          command: apt-get -qq -y --no-install-recommends install git build-essential nasm libpng-dev:i386 libsdl2-mixer-dev:i386 libgme-dev:i386 libcurl4-openssl-dev:i386 libopenmpt-dev:i386 gettext ccache wget gcc-multilib upx openssh-client
 
       - save_cache:
           key: v1-SRB2-APT
@@ -71,4 +71,4 @@ jobs:
       - save_cache:
           key: v1-SRB2-{{ .Branch }}-{{ checksum "objs/Linux/SDL/Release/depend.dep" }}
           paths:
-            - /root/.ccache
\ No newline at end of file
+            - /root/.ccache