Merge branch 'sb/line-log-plug-pairdiff-leak' into maint

* sb/line-log-plug-pairdiff-leak:
  line-log.c: fix a memleak
diff --git a/line-log.c b/line-log.c
index a9ce014..a5ed9e3 100644
--- a/line-log.c
+++ b/line-log.c
@@ -1099,6 +1099,7 @@
 			rg->pair = diff_filepair_dup(queue->queue[i]);
 			memcpy(&rg->diff, pairdiff, sizeof(struct diff_ranges));
 		}
+		free(pairdiff);
 	}
 
 	return changed;