Adjust byte offset for Windows line endings.

goGuru.py

@@ -181,6 +181,8 @@ def get_map(self, chars):
         for char_offset, char in enumerate(chars):
             cb_map[char_offset] = byte_offset
             byte_offset += len(char.encode('utf-8'))
+            if char == '\n' and self.view.line_endings() == "Windows":
+                byte_offset += 1
         return cb_map
 
     def guru(self, end_offset, begin_offset=None, mode="describe", callback=None):