8028725: [Parfait] warnings from b116 for jdk.src.solaris.native.java.net: JNI pending exceptions

Reviewed-by: alanb

src/solaris/native/java/net/Inet6AddressImpl.c

@@ -555,6 +555,7 @@ Java_java_net_Inet6AddressImpl_getHostByAddr(JNIEnv *env, jobject this,
 
     if (!error) {
         ret = (*env)->NewStringUTF(env, host);
+        CHECK_NULL(ret);
     }
 #endif /* AF_INET6 */
 

src/windows/native/java/net/Inet6AddressImpl.c

@@ -349,6 +349,7 @@ Java_java_net_Inet6AddressImpl_getHostByAddr(JNIEnv *env, jobject this,
 
     if (!error) {
         ret = (*env)->NewStringUTF(env, host);
+        CHECK_NULL(ret);
     }
 
     if (ret == NULL) {