If there is a mismatch on the number of tests to run, fail quicker

If there is a mismatch on the number of tests to run, fail quicker

I have had to add several unit tests, and often times I would forget
to add an entry into either the master tests table or the line number
table. Of course, the tests would run, and several minutes later I
would find out. With this change, if there is a mismatch between the
table sizes, the test fails before starting.

git-svn-id: svn+ssh://svn.code.sf.net/p/check/code/trunk@669 64e312b2-a51f-0410-8e61-82d0ca0eb02a