fix more typos and indentation

scripts/install_moodle.sh

@@ -826,12 +826,12 @@ EOF
     # We proxy ssl, so moodle needs to know this
     sed -i "23 a \$CFG->sslproxy  = 'true';" /moodle/html/moodle/config.php
 
-    if [ "$searchType" == "elastic" ]; then
+    if [ "$searchType" = "elastic" ]; then
         # Set up elasticsearch plugin
         sed -i "23 a \$CFG->forced_plugin_settings = ['search_elastic' => ['hostname' => 'http://$elasticVm1IP']];" /moodle/html/moodle/config.php
         sed -i "23 a \$CFG->searchengine = 'elastic';" /moodle/html/moodle/config.php
         sed -i "23 a \$CFG->enableglobalsearch = 'true';" /moodle/html/moodle/config.php
-    elif [ "$searchType" == "azure" ]; then
+    elif [ "$searchType" = "azure" ]; then
         # Set up Azure Search service plugin
         sed -i "23 a \$CFG->forced_plugin_settings = ['search_azure' => ['searchurl' => 'https://$azureSearchNameHost', 'apikey' => '$azureSearchKey']];" /moodle/html/moodle/config.php
         sed -i "23 a \$CFG->searchengine = 'azure';" /moodle/html/moodle/config.php