docs/Makefile.am: add man doc build for afcclient

Signed-off-by: tomriddly <tomriddly@qq.com>

docs/Makefile.am

@@ -18,7 +18,8 @@ man_MANS = \
 	idevicedebug.1 \
 	idevicedevmodectl.1 \
 	idevicenotificationproxy.1 \
-	idevicesetlocation.1
+	idevicesetlocation.1 \
+	afcclient.1
 
 EXTRA_DIST = $(man_MANS)