sepolgen: fix make test

make test in sepolgen was broken because checkmodule now requires
the module name to match the file name.  Fix it.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

sepolgen/tests/module_compile_test.te

@@ -1,8 +1,8 @@
-module foo 1.0;
+module module_compile_test 1.0;
 
 require {
 	type foo, bar;
 	class file { read write };
 }
 
-allow foo bar : file { read write };
+allow foo bar : file { read write };