Fix typo in configure output: dynlib -> dylib
--- configure.in.orig	2019-12-28 08:19:24.000000000 -0600
+++ configure.in	2024-04-29 02:28:42.000000000 -0500
@@ -266,7 +266,7 @@
 	   AC_MSG_RESULT([.so .a .o])
 	   SHARED_EXTENSION="so"
         else
-	   AC_MSG_RESULT([.dynlib .a .o])
+	   AC_MSG_RESULT([.dylib .a .o])
 	   SHARED_EXTENSION="dylib"
 	fi
 	STATIC_EXTENSION="a"