Misc comment typo fixes.

Backpatch the applicable parts, just to make backpatching future patches
easier.

diff --git a/src/backend/lib/binaryheap.c b/src/backend/lib/binaryheap.c
index 7125970a50fcf14b73fccc8158e000bc6c3fcf28..2994240c4b3a4205a5aa19acf15c26ecace82441 100644 (file)
--- a/src/backend/lib/binaryheap.c
+++ b/src/backend/lib/binaryheap.c
@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * binaryheap.c
- *   A simple binary heap implementaion
+ *   A simple binary heap implementation
  *
  * Portions Copyright (c) 2012-2013, PostgreSQL Global Development Group
  *