Moved nameser.h and namser_compat.h to public include dir

This is part of the upstream sync (Net/Open/Free BSDs expose the
nameser.h in their public headers).

Change-Id: Ib063d4e50586748cc70201a8296cd90d2e48bbcf
diff --git a/libc/dns/nameser/ns_name.c b/libc/dns/nameser/ns_name.c
index 85d2f60..da36425 100644
--- a/libc/dns/nameser/ns_name.c
+++ b/libc/dns/nameser/ns_name.c
@@ -29,7 +29,7 @@
 #include <sys/types.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <errno.h>
 #ifdef ANDROID_CHANGES
diff --git a/libc/dns/nameser/ns_netint.c b/libc/dns/nameser/ns_netint.c
index 1b2964f..33e6090 100644
--- a/libc/dns/nameser/ns_netint.c
+++ b/libc/dns/nameser/ns_netint.c
@@ -28,7 +28,7 @@
 
 /* Import. */
 
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 /* Public. */
 
diff --git a/libc/dns/nameser/ns_parse.c b/libc/dns/nameser/ns_parse.c
index fd94860..899ff81 100644
--- a/libc/dns/nameser/ns_parse.c
+++ b/libc/dns/nameser/ns_parse.c
@@ -31,7 +31,7 @@
 #include <sys/types.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <errno.h>
 #ifdef ANDROID_CHANGES
diff --git a/libc/dns/nameser/ns_print.c b/libc/dns/nameser/ns_print.c
index 7465e62..0b3c068 100644
--- a/libc/dns/nameser/ns_print.c
+++ b/libc/dns/nameser/ns_print.c
@@ -32,7 +32,7 @@
 #include <sys/socket.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <arpa/inet.h>
 
 #include <isc/assertions.h>
diff --git a/libc/dns/nameser/ns_samedomain.c b/libc/dns/nameser/ns_samedomain.c
index 04fdb61..d35dfe1 100644
--- a/libc/dns/nameser/ns_samedomain.c
+++ b/libc/dns/nameser/ns_samedomain.c
@@ -27,7 +27,7 @@
 #endif
 
 #include <sys/types.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <errno.h>
 #include <string.h>
 
diff --git a/libc/dns/nameser/ns_ttl.c b/libc/dns/nameser/ns_ttl.c
index cc98331..1ad3b49 100644
--- a/libc/dns/nameser/ns_ttl.c
+++ b/libc/dns/nameser/ns_ttl.c
@@ -28,7 +28,7 @@
 
 /* Import. */
 
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <ctype.h>
 #include <errno.h>