lang: funcs: Fix autogenerated comments

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

lang/funcs/funcgen/pkg.go

@@ -227,8 +227,14 @@ func (obj *golangPackage) getHelp(function, internalName string) (string, error)
 				docs := strings.Split(s, " ")
 				docs[0] = internalName
 				s = strings.Join(docs, " ")
+				doc = doc + "// " + s + " is an autogenerated function.\n"
+			} else {
+				doc = doc + "//"
+				if s != "" {
+					doc = doc + " "
+				}
+				doc = doc + s + "\n"
 			}
-			doc = fmt.Sprintf("%s// %s is an autogenerated function.\n", doc, s)
 		}
 	}
 	return doc, nil