Fix size call with equation.

java/test/resources/expressionsize.expected

@@ -0,0 +1,45 @@
+import processing.core.*;
+import processing.data.*;
+import processing.event.*;
+import processing.opengl.*;
+
+import processing.pdf.*;
+
+import java.util.HashMap;
+import java.util.ArrayList;
+import java.io.File;
+import java.io.BufferedReader;
+import java.io.PrintWriter;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+
+public class expressionsize extends PApplet {
+
+
+
+ public void setup() {
+  /* size commented out by preprocessor */;
+}
+
+ public void draw() {
+  // Draw something good here
+  line(0, 0, width/2, height);
+
+  // Exit the program
+  println("Finished.");
+  exit();
+}
+
+
+    public void settings() { size(400*2,4e2/2); }
+
+    static public void main(String[] passedArgs) {
+        String[] appletArgs = new String[] { "expressionsize" };
+        if (passedArgs != null) {
+            PApplet.main(concat(appletArgs, passedArgs));
+        } else {
+            PApplet.main(appletArgs);
+        }
+    }
+}