Add a file to the source disty.

--HG--
extra : convert_revision : de7f706327149c543a0ecbd9f1e022f0de7f3aa9

text.cabal

@@ -23,6 +23,7 @@ extra-source-files:
     scripts/SpecialCasing.hs
     scripts/SpecialCasing.txt
     tests/Makefile
+    tests/Benchmarks.hs
     tests/Properties.hs
     tests/QuickCheckUtils.hs
     tests/SlowFunctions.hs