time-signature-single-digit.ly and time-signature-single-digit.ly don't have \version

[Masamichi Hosoda]

Hi

In lilypond current master branch, I found that
input/regression/time-signature-numbered.ly
and
input/regression/time-signature-single-digit.ly
files don't have ``\version''.

http://git.savannah.gnu.org/gitweb/?
p=lilypond.git;a=commitdiff;h=8298bc08d2d6398af3b1c988b825ad36d355e7ee

Then, GUB's ``make lilypond'' is failed.
Here is a patch.

```
--- a/input/regression/time-signature-numbered.ly       2015-02-19 
22:39:42.810909400 +0900
+++ b/input/regression/time-signature-numbered.ly       2015-02-19 
22:40:59.826572000 +0900
@@ -1,3 +1,5 @@
+\version "2.19.16"
+
 \header {
   texidoc = "The numbered time signature style prints a fraction."
 }
--- a/input/regression/time-signature-single-digit.ly   2015-02-19 
22:37:58.662289400 +0900
+++ b/input/regression/time-signature-single-digit.ly   2015-02-19 
22:41:15.639086900 +0900
@@ -1,3 +1,5 @@
+\version "2.19.16"
+
 \header {
   texidoc = "The single-digit time signature style prints the numerator 
only."
 }
```