Moved inet_net_pton.h to HHEADERS.

Makefile.inc

@@ -4,9 +4,10 @@ ares_gethostbyaddr.c ares_send.c ares__read_line.c ares_gethostbyname.c	   \
 ares_strerror.c ares_cancel.c ares_init.c ares_timeout.c ares_destroy.c	   \
 ares_mkquery.c ares_version.c ares_expand_name.c ares_parse_a_reply.c	   \
 windows_port.c ares_expand_string.c ares_parse_ptr_reply.c                 \
-ares_parse_aaaa_reply.c inet_net_pton.c inet_net_pton.h
+ares_parse_aaaa_reply.c inet_net_pton.c
 
-HHEADERS = ares.h ares_private.h setup.h ares_dns.h ares_version.h nameser.h
+HHEADERS = ares.h ares_private.h setup.h ares_dns.h ares_version.h nameser.h \
+           inet_net_pton.h
 
 MANPAGES= ares_destroy.3 ares_expand_name.3 ares_expand_string.3 ares_fds.3 \
  ares_free_hostent.3 ares_free_string.3 ares_gethostbyaddr.3		    \