Add 2.3.90 WAZUH hotfix corrective function

salt/common/tools/sbin/soup

@@ -837,6 +837,21 @@ verify_latest_update_script() {
   fi
 }
 
+apply_hotfix() {
+  if [[ "$INSTALLEDVERSION" == "2.3.90" && "$HOTFIXVERSION" == "WAZUH" ]] ; then
+    FILE="/nsm/wazuh/etc/ossec.conf"
+    echo "Detecting if ossec.conf needs corrected..."
+    WAZUHHEADER=$(head -1 $FILE | grep "xml version")
+    if [[ ! -z "$WAZUHHEADER" ]]; then
+      echo "$FILE has an XML header; removing"
+      sed -i 1d $FILE
+    else    
+      echo "$FILE does not have an XML header, so no changes are necessary."
+    fi
+  fi
+}
+
+
 main() {
   trap 'check_err $?' EXIT
   
@@ -893,6 +908,7 @@ main() {
   if [ "$is_hotfix" == "true" ]; then
     echo "Applying $HOTFIXVERSION" 
     copy_new_files
+    apply_hotfix
     echo ""
     update_version
     salt-call state.highstate -l info queue=True