Fix nested Vector API class lookup

Author: jirkamarsik

wasm/src/org.graalvm.wasm.jdk25/src/org/graalvm/wasm/api/Vector128OpsVectorAPI.java

@@ -1091,8 +1091,8 @@ private static <E> ByteVector shiftop(ByteVector xBytes, int shift, Shape<E> sha
     private static final Class<? extends FloatVector> FLOAT_128_CLASS = lookupClass(VECTOR_API_PACKAGE + ".Float128Vector");
     private static final Class<? extends DoubleVector> DOUBLE_128_CLASS = lookupClass(VECTOR_API_PACKAGE + ".Double128Vector");
 
-    private static final Class<? extends VectorMask<Byte>> BYTE_128_MASK_CLASS = lookupClass(VECTOR_API_PACKAGE + ".Byte128Vector.Byte128Mask");
-    private static final Class<? extends VectorMask<Short>> SHORT_128_MASK_CLASS = lookupClass(VECTOR_API_PACKAGE + ".Short128Vector.Short128Mask");
+    private static final Class<? extends VectorMask<Byte>> BYTE_128_MASK_CLASS = lookupClass(VECTOR_API_PACKAGE + ".Byte128Vector$Byte128Mask");
+    private static final Class<? extends VectorMask<Short>> SHORT_128_MASK_CLASS = lookupClass(VECTOR_API_PACKAGE + ".Short128Vector$Short128Mask");
 
     @SuppressWarnings("unchecked")
     private static <E> Class<? extends E> lookupClass(String className) {