Makefile.am: Include buildconf.sh and fuzz/*.c with release archives

expat/Changes

@@ -2,6 +2,12 @@ NOTE: We are looking for help with a few things:
       https://github.com/libexpat/libexpat/labels/help%20wanted
       If you can help, please get in touch.  Thanks!
 
+Release 2.4.2 xxx xxx xx xxxx
+        Other changes:
+            #497  Autotools: Include files with release archives:
+                    - buildconf.sh
+                    - fuzz/*.c
+
 Release 2.4.1 Sun May 23 2021
         Bug fixes:
        #488 #490  Autotools: Fix installed header expat_config.h for multilib

expat/Makefile.am

@@ -90,9 +90,13 @@ EXTRA_DIST = \
     conftools/expat.m4 \
     conftools/get-version.sh \
     \
+    fuzz/xml_parsebuffer_fuzzer.c \
+    fuzz/xml_parse_fuzzer.c \
+    \
     xmlwf/xmlwf_helpgen.py \
     xmlwf/xmlwf_helpgen.sh \
     \
+    buildconf.sh \
     Changes \
     README.md \
     \