patch 8.0.0350: not enough test coverage for Perl

Problem:    Not enough test coverage for Perl.
Solution:   Add more Perl tests. (Dominique Perl, closes #1500)
diff --git a/src/version.c b/src/version.c
index 24b24df..bd271cc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    350,
+/**/
     349,
 /**/
     348,