Minor feedback cleanup.

Remove unnecessary artifact cast and use spacing similar to area of code
for runtimebits.

Author: hazendaz

src/main/java/com/akathist/maven/plugins/launch4j/ClassPath.java

@@ -89,13 +89,12 @@ net.sf.launch4j.config.ClassPath toL4j(Set<Artifact> dependencies, List<Artifact
             dependencies.addAll(runtimeDependencies);
 
             for (Artifact dependency : dependencies) {
-                Artifact dep = (Artifact) dependency;
-                if (Artifact.SCOPE_COMPILE.equals(dep.getScope()) ||
-                        Artifact.SCOPE_RUNTIME.equals(dep.getScope())) {
+                if (Artifact.SCOPE_COMPILE.equals(dependency.getScope()) ||
+                        Artifact.SCOPE_RUNTIME.equals(dependency.getScope())) {
 
                     String depFilename;
-                    depFilename = dep.getFile().getName();
-                    // System.out.println("dep = " + depFilename);
+                    depFilename = dependency.getFile().getName();
+                    // System.out.println("dependency = " + depFilename);
                     cp.add(jarLocation + depFilename);
                 }
             }

src/main/java/com/akathist/maven/plugins/launch4j/Jre.java

@@ -122,7 +122,7 @@ public class Jre {
      * Possible values: 32, 64, 64/32 - it will fallback to default value if different option was used
      * Default value is: 64/32
      */
-	@Parameter(defaultValue="64/32")
+    @Parameter(defaultValue="64/32")
     String runtimeBits;
 
 	net.sf.launch4j.config.Jre toL4j() {