Glob filename

Filenames with variables cannot glob, so we are removing the variables here.

Dockerfile

@@ -27,7 +27,7 @@ WORKDIR $INSTDIR
 RUN ( wget -O ${InstallerJar} ${ForgeUrl1} || wget -O ${InstallerJar} ${ForgeUrl2} ) && \
     echo "eula=true" > eula.txt && \
     java -jar ./${InstallerJar} --installServer && rm -f ${InstallerJar} && \
-    ln -s "forge-${MINECRAFT}-${FORGE}.jar" forge.jar || exit 2
+    ln -s "forge-*.jar" forge.jar || exit 2
 
 COPY entrypoint.sh /usr/bin