Fix #868 by advancing the scanner end time by one second. That will

force the scan to the next row and allow the serializer to filter
out the unwanted results. Thanks @rcastbergw!

Signed-off-by: Chris Larsen <clarsen@yahoo-inc.com>

src/core/TsdbQuery.java

@@ -1063,6 +1063,11 @@ private long getScanEndTimeSeconds() {
     // Convert to seconds if we have a query in ms.
     if ((end & Const.SECOND_MASK) != 0L) {
       end /= 1000L;
+      if (end - (end * 1000) < 1) {
+        // handle an edge case where a user may request a ms time between
+        // 0 and 1 seconds. Just bump it a second.
+        end++;
+      }
     }
 
     // The calculation depends on whether we're downsampling.