small fix

app/views/asks/email.html.erb

@@ -75,7 +75,7 @@
               elsif type == "date"
                 val = val["datetime"].values[0].values rescue []
                 if val.count == 2
-                  val = val[0].to_s.gsub('-', '/') + " ~ " + val[1].to_s.gsub('-', '/')
+                  val = (val[0].to_s.gsub('-', '/') + " ~ " + val[1].to_s.gsub('-', '/') rescue "")
                 else
                   val = val[0].to_s.gsub('-', '/')
                 end