Fix LangErlang: comment lines should be terminated by \r as well

src/prettify/lang/LangErlang.java

diff --git a/src/prettify/lang/LangErlang.java b/src/prettify/lang/LangErlang.java
index 24fb9aa..57ce401 100644
--- a/src/prettify/lang/LangErlang.java
+++ b/src/prettify/lang/LangErlang.java
@@ -70,7 +70,7 @@
         // TODO: catch @declarations inside comments
 
         // Comments in erlang are started with % and go till a newline
-        _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_COMMENT, Pattern.compile("^%[^\\n]*"), null}));
+        _fallthroughStylePatterns.add(Arrays.asList(new Object[]{Prettify.PR_COMMENT, Pattern.compile("^%[^\\n\\r]*")}));
 
          // Catch macros
          //[PR['PR_TAG'], /?[^( \n)]+/],