fix typo

Author: zapster

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jdk/DeferredCommonPool.java

@@ -86,7 +86,7 @@ public ForkJoinTask<?> submit(Runnable task) {
 
     @SuppressWarnings("unchecked")
     public <T> List<Future<T>> invokeAllUninterruptibly(Collection<? extends Callable<T>> tasks) {
-        VMError.guarantee(JavaVersionUtil.JAVA_SPEC >= 22, "invokeAllUninterruptibly only exits in JDK 22+");
+        VMError.guarantee(JavaVersionUtil.JAVA_SPEC >= 22, "invokeAllUninterruptibly only exists in JDK 22+");
         var m = ReflectionUtil.lookupMethod(ForkJoinPool.class, "invokeAllUninterruptibly", Collection.class);
         try {
             return (List<Future<T>>) m.invoke(ForkJoinPool.commonPool(), tasks);