Port to places such as AIX 4.2 where char is an unsigned type.

ChangeLog

@@ -2,6 +2,12 @@
 
 	* Release 2.0.0.
 
+	Port to places such as AIX 4.2 where char is an unsigned type.
+	* src/server/dbck.c (main): Use an int to store the return value
+	from getopt_long.
+	* src/server/dbck-cache.c (init_cache): Use an int to store the
+	return value from getc.
+
 	Port the test suite to OSF 3.0.
 	* src/server/testsuite/config/unix.exp (stty_init): Quote the ^
 	character. Some shells interpret it as a pipe.