Fix extra whitespace in CommandInvocationError

lib/codeql.js

@@ -38,9 +38,9 @@ const util = __importStar(require("./util"));
 const util_1 = require("./util");
 class CommandInvocationError extends Error {
     constructor(cmd, args, exitCode, error, output) {
-        super(`Failure invoking ${cmd} with arguments ${args}.\n
-      Exit code ${exitCode} and error was:\n
-      ${error}`);
+        super(`Failure invoking ${cmd} with arguments ${args}.\n` +
+            `Exit code ${exitCode} and error was:\n` +
+            `${error}`);
         this.exitCode = exitCode;
         this.error = error;
         this.output = output;

src/codeql.ts

@@ -52,9 +52,9 @@ export class CommandInvocationError extends Error {
     public output: string
   ) {
     super(
-      `Failure invoking ${cmd} with arguments ${args}.\n
-      Exit code ${exitCode} and error was:\n
-      ${error}`
+      `Failure invoking ${cmd} with arguments ${args}.\n` +
+        `Exit code ${exitCode} and error was:\n` +
+        `${error}`
     );
   }
 }