Add a second escaped backslash to the last line of the hard coded rrd
graph command template in the MIB compiler so that NRTG works for graphs
generated by the MIB compiler.
Fixes unit test to agree with the new file size
Merge pull request #121 from dschlenk/NMS-6919

The change make sense to me. I'm going to merge the fix on 1.14 as well.