Update getmangos.sh

Fixed misplacement
Fixed indentation

Author: Rochet2

linux/getmangos.sh

@@ -237,15 +237,15 @@ function GetPrerequisites()
           # Ubuntu 16.10
           su -c "apt-get -y install curl autoconf automake cmake libbz2-dev libace-dev libssl-dev libmysqlclient-dev libtool" root
           ;;
-        *)
 	"zesty")
-	   # Ubuntu 17.04
-	   su -c "apt-get -y install curl autoconf automake cmake libbz2-dev libace-dev libssl-dev libmysqlclient-dev libtool" root
-	   ;;
+	  # Ubuntu 17.04
+	  su -c "apt-get -y install curl autoconf automake cmake libbz2-dev libace-dev libssl-dev libmysqlclient-dev libtool" root
+	  ;;
 	"artful")
-	   # Ubuntu 17.10
-	   su -c "apt-get -y install curl autoconf automake cmake libbz2-dev libace-dev libssl-dev libmysqlclient-dev libtool" root
-	   ;;
+	  # Ubuntu 17.10
+	  su -c "apt-get -y install curl autoconf automake cmake libbz2-dev libace-dev libssl-dev libmysqlclient-dev libtool" root
+	  ;;
+        *)
           OS_VER=0
           ;;
       esac