Fix MarkdownUtil#getEndOfLine

Signed-off-by: Stefan Niedermann <info@niedermann.it>

markdown/src/main/java/it/niedermann/android/markdown/MarkdownUtil.java

@@ -181,7 +181,7 @@ public class MarkdownUtil {
         if (nextLinebreak > -1) {
             return nextLinebreak;
         }
-        return cursorPosition;
+        return s.length();
     }
 
     public static String getListItemIfIsEmpty(@NonNull String line) {

markdown/src/test/java/it/niedermann/android/markdown/MarkdownUtilTest.java

@@ -86,6 +86,8 @@ public class MarkdownUtilTest extends TestCase {
                 assertEquals(79, endOfLine);
             }
         }
+
+        assertEquals(3, MarkdownUtil.getEndOfLine(" - ", 2));
     }
 
     @Test