fix bug in SearchParamType.resource

Author: Grahame Grieve

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/Enumerations.java

@@ -18040,9 +18040,9 @@ public String toCode(SearchParamType code) {
       if (code == SearchParamType.URI)
         return "uri";
       if (code == SearchParamType.SPECIAL)
-        return "resource";
-      if (code == SearchParamType.RESOURCE)
         return "special";
+      if (code == SearchParamType.RESOURCE)
+        return "resource";
       return "?";
    }
     public String toSystem(SearchParamType code) {