Remove trailing whitespace

Author: alexeysemenyukoracle

src/jdk.jpackage/share/classes/jdk/jpackage/internal/PackageBuilder.java

@@ -93,7 +93,7 @@ PackageBuilder name(String v) {
         name = v;
         return this;
     }
-    
+
     Optional<String> name() {
         return Optional.ofNullable(name);
     }
@@ -102,7 +102,7 @@ PackageBuilder fileName(Path v) {
         fileName = v;
         return this;
     }
-    
+
     Optional<Path> fileName() {
         return Optional.ofNullable(fileName);
     }