Put the "don't install pcap-util.h" fix in the right section.  [skip ci]

(cherry picked from commit ecdafb17a21463fc550326080b2169aada3ca060)
diff --git a/CHANGES b/CHANGES
index bb0ad40..04a14e8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,7 @@
 Monthday, Month DD, YYYY:
   Summary for 1.10.3 libpcap release (so far!)
+    Building and testing:
+      install: Fixed not to install the non-public pcap-util.h header.
 
 Saturday, December 31, 2022 / The Tcpdump Group
   Summary for 1.10.2 libpcap release
@@ -189,7 +191,6 @@
       autotools, cmake: provide an rpath option if necessary.
       configure: get rid of the attempt to auto-run PKG_PROG_PKG_CONFIG.
       configure: use PKG_CHECK_MODULES to run pkg-config.
-      install: Fixed not to install the non-public pcap-util.h header.
     Documentation:
       Add README.solaris.md.
       Add SCTP to pcap-filter(7).