package/iperf: fixed hash to match v2.0.13 archive

The iperf project changed the archive after the release without changing
the filename of the archive.

Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/iperf/iperf.hash

@@ -1,6 +1,6 @@
 # From https://sourceforge.net/projects/iperf2/files/
-sha1	3eb21c329af811af53a2c816e1ed26b3dd2c259f	iperf-2.0.13.tar.gz
+sha1	0c7625c61087b9e6866421abb8bb533658b40a8d	iperf-2.0.13.tar.gz
 
 # Locally computed:
-sha256  a43ee9d6476955e7fc7aa894b6c4d227a2129943ad6171ad39aa52f1a065db50  iperf-2.0.13.tar.gz
+sha256  c88adec966096a81136dda91b4bd19c27aae06df4d45a7f547a8e50d723778ad  iperf-2.0.13.tar.gz
 sha256  5f9f5c4feca3347c3b3c0ada8b16b4e6b698aac4e6f016a24adf61a5915336d1  COPYING