Fix indentation in pg_numa code

Broken by commits 7fe2f67c7c, 81f287dc92 and bf1119d74a. Backpatch
to 18, same as the offending commits.

Backpatch-through: 18

src/include/port/pg_numa.h

@@ -28,6 +28,7 @@ static inline void
 pg_numa_touch_mem_if_required(void *ptr)
 {
 	volatile uint64 touch pg_attribute_unused();
+
 	touch = *(volatile uint64 *) ptr;
 }
 

src/port/pg_numa.c

@@ -80,9 +80,9 @@ pg_numa_query_pages(int pid, unsigned long count, void **pages, int *status)
 		CHECK_FOR_INTERRUPTS();
 
 		/*
-		 * Bail out if any of the chunks errors out (ret<0). We ignore
+		 * Bail out if any of the chunks errors out (ret<0). We ignore (ret>0)
-		 * (ret>0) which is used to return number of nonmigrated pages,
+		 * which is used to return number of nonmigrated pages, but we're not
-		 * but we're not migrating any pages here.
+		 * migrating any pages here.
 		 */
 		ret = numa_move_pages(pid, count_chunk, &pages[next], NULL, &status[next], 0);
 		if (ret < 0)