fix syntax

tests/camera_colorspace.ce

@@ -18,8 +18,10 @@ log.console("\nLooking for different colorspaces in supported formats...");
 
 // Group formats by colorspace
 var colorspaces = {};
-for (var i = 0; i < length(formats); i++) {
-  var fmt = formats[i];
+var i = 0;
+var fmt = null;
+for (i = 0; i < length(formats); i++) {
+  fmt = formats[i];
   if (!colorspaces[fmt.colorspace]) {
     colorspaces[fmt.colorspace] = [];
   }
@@ -53,8 +55,9 @@ arrfor(array(colorspaces), function(cs) {
   };
   
   var cam = camera.open(cam_id, custom_format);
+  var actual = null;
   if (cam) {
-    var actual = cam.get_format();
+    actual = cam.get_format();
     log.console("  Opened successfully!");
     log.console("  Actual colorspace: " + actual.colorspace);