Fix java.specification.maintenance.version.

(cherry picked from commit 14ed014)

Author: christianhaeubl

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

@@ -56,6 +56,15 @@ public abstract class SystemPropertiesSupport implements RuntimeSystemProperties
     private static final String[] HOSTED_PROPERTIES = {
                     "java.version",
                     "java.version.date",
+                    "java.class.version",
+                    "java.runtime.version",
+                    "java.specification.name",
+                    "java.specification.vendor",
+                    "java.specification.version",
+                    "java.specification.maintenance.version",
+                    "java.vm.specification.name",
+                    "java.vm.specification.vendor",
+                    "java.vm.specification.version",
                     ImageInfo.PROPERTY_IMAGE_KIND_KEY,
                     /*
                      * We do not support cross-compilation for now. Separator might also be cached
@@ -64,14 +73,6 @@ public abstract class SystemPropertiesSupport implements RuntimeSystemProperties
                     "line.separator", "path.separator", "file.separator",
                     /* For our convenience for now. */
                     "file.encoding", "sun.jnu.encoding", "native.encoding", "stdout.encoding", "stderr.encoding",
-                    "java.class.version",
-                    "java.runtime.version",
-                    "java.specification.name",
-                    "java.specification.vendor",
-                    "java.specification.version",
-                    "java.vm.specification.name",
-                    "java.vm.specification.vendor",
-                    "java.vm.specification.version"
     };
 
     /** System properties that are lazily computed at run time on first access. */