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

Signed-off-by: tomriddly <tomriddly@qq.com>
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 4a4c56f..8156d4f 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -18,7 +18,8 @@
 	idevicedebug.1 \
 	idevicedevmodectl.1 \
 	idevicenotificationproxy.1 \
-	idevicesetlocation.1
+	idevicesetlocation.1 \
+	afcclient.1
 
 EXTRA_DIST = $(man_MANS)