(fix_overlays_before): Fix typo in last commit.

diff --git a/src/buffer.c b/src/buffer.c
index 3b0a3226b9d9edd862bcfe42005e41c70dcaa19b..b6bcfae6681c02a7573082c3c24419e04bbbcef9 100644 (file)
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -3431,7 +3431,7 @@ fix_overlays_before (bp, prev, pos)
      or the found one ends before PREV,
      or the found one is the last one in the list,
      we don't have to fix anything.  */
-  if (tail || end < prev || !tail->next)
+  if (!tail || end < prev || !tail->next)
     return;
 
   right_pair = parent;