Rename some numeric tests: nnnn -> Tnnnn

testsuite/tests/ghci/scripts/4051.script → testsuite/tests/ghci/scripts/T4051.script

-:l 4051.hs
+:l T4051.hs
 :m -X'
 :m X'
 x

testsuite/tests/ghci/scripts/all.T

@@ -84,19 +84,19 @@ test('ghci056',
 
 test('ghci057', normal, ghci_script, ['ghci057.script'])
 
-test('2452', normal, ghci_script, ['2452.script'])
+test('T2452', normal, ghci_script, ['T2452.script'])
 test('T2766', normal, ghci_script, ['T2766.script'])
 
-test('1914',
+test('T1914',
      extra_clean(['T1914A.hs', 'T1914B.hs']),
      ghci_script,
-     ['1914.script'])
+     ['T1914.script'])
 
-test('2976', normal, ghci_script, ['2976.script'])
-test('2816', normal, ghci_script, ['2816.script'])
+test('T2976', normal, ghci_script, ['T2976.script'])
+test('T2816', normal, ghci_script, ['T2816.script'])
 test('T789', normal, ghci_script, ['T789.script'])
 test('T3263', normal, ghci_script, ['T3263.script'])
-test('4051', normal, ghci_script, ['4051.script'])
+test('T4051', normal, ghci_script, ['T4051.script'])
 test('T4087', normal, ghci_script, ['T4087.script'])
 test('T4015', normal, ghci_script, ['T4015.script'])
 test('T4127', normal, ghci_script, ['T4127.script'])