fix some use of Cow results from getBlackRow

src/oned/one_d_reader.rs

@@ -81,7 +81,7 @@ pub trait OneDReader: Reader {
 
             // Estimate black point for this row and load it:
             let mut row = if let Ok(res) = image.getBlackRow(rowNumber as usize) {
-                res.into_owned()
+                res
             } else {
                 continue;
             };
@@ -97,7 +97,7 @@ pub trait OneDReader: Reader {
                 // for (int attempt = 0; attempt < 2; attempt++) {
                 if attempt == 1 {
                     // trying again?
-                    row.reverse(); // reverse the row and continue
+                    row.to_mut().reverse(); // reverse the row and continue
                                    // This means we will only ever draw result points *once* in the life of this method
                                    // since we want to avoid drawing the wrong points after flipping the row, and,
                                    // don't want to clutter with noise from every single row scan -- just the scans

src/oned/rss/expanded/rss_expanded_stacked_internal_test_case.rs

@@ -76,6 +76,7 @@ fn testDecodingRowByRow() {
         .getBlackRow(secondRowNumber)
         .expect("get row")
         .into_owned();
+
     secondRow.reverse();
 
     let totalPairs = rssExpandedReader