[m-rev.] diff: re-enable random module tests in the C# grade

[Julien Fischer]

Re-enable random module tests in the C# grade.

tests/hard_coded/Mmakefile:
     As above.  (The underlying problem was fixed in commit 65f683e.)

Julien.

diff --git a/tests/hard_coded/Mmakefile b/tests/hard_coded/Mmakefile
index 390eafe..fd909b3 100644
--- a/tests/hard_coded/Mmakefile
+++ b/tests/hard_coded/Mmakefile
@@ -493,8 +493,9 @@ else
  	FOREIGN_ENUM_PROGS =
  endif

-# Tests of the random module currently only work in C and Java grades.
-ifeq "$(filter csharp% erlang%,$(GRADE))" ""
+# Tests of the random module do not work in the Erlang grade due to support for
+# fixed size integer types in that grade being incomplete.
+ifeq "$(filter erlang%,$(GRADE))" ""
  	RANDOM_PROGS = \
  		random1 \
  		random2 \