Fix trimming

The trim() method returns a new trimmed string, it does not alter the current string (strings being immutable in Java).

Author: thomasleplus

Diff for: arduino-core/src/processing/app/BaseNoGui.java

@@ -888,8 +888,8 @@ static public void saveFile(String str, File file) throws IOException {
     // then trim any other character (\r) so saveStrings can print it in the correct
     // format for every OS
     String strArray[] = str.split("\n");
-    for (String item : strArray) {
-      item.trim();
+    for (int i = 0; i < strArray.length; i++) {
+      strArray[i] = strArray[i].trim();
     }
     PApplet.saveStrings(temp, strArray);