patch 8.0.0708: some tests are old style

Problem:    Some tests are old style.
Solution:   Change a few tests from old style to new style. (pschuh,
            closes #1813)
diff --git a/src/version.c b/src/version.c
index aaf7611..b4e7d2e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    708,
+/**/
     707,
 /**/
     706,