Add missing space (#395)

Author: erichaagdev

components/fetch-build-scan-data-cmdline-tool/src/main/java/com/gradle/enterprise/api/client/FailedRequestException.java

@@ -26,7 +26,7 @@ public Optional<String> getResponseBody() {
     private static String buildMessage(URL buildScanUrl, int code) {
         switch (code) {
             case 404:
-                return String.format("Build scan %s was not found.%nVerify the build scan exists and you have been" +
+                return String.format("Build scan %s was not found.%nVerify the build scan exists and you have been " +
                         "granted the permission 'Access build data via the Export API'.", buildScanUrl);
             case 401:
                 return String.format("Failed to authenticate while attempting to fetch build scan %s.", buildScanUrl);