[golangci-lint]: regexp: Use MustCompile instead of Compile.

httpupload.go

@@ -47,10 +47,7 @@ func httpUpload(client *xmpp.Client, iqc chan xmpp.IQ,
 	fileName := filepath.Base(filePath)
 	// Just use alphanumerical and some special characters for now
 	// to work around https://github.com/mattn/go-xmpp/issues/132
-	reg, err := regexp.MustCompile(`[^a-zA-Z0-9\+\-\_\.]+`)
-	if err != nil {
-		log.Fatal(err)
-	}
+	reg := regexp.MustCompile(`[^a-zA-Z0-9\+\-\_\.]+`)
 	fileNameEscaped := reg.ReplaceAllString(fileName, "_")
 
 	// Query server for disco#items