t-test: Move 'cmd' variable from file scope into cmd_t_test().

This variable was only used inside cmd_t_test() anyhow.

diff --git a/src/language/stats/t-test.q b/src/language/stats/t-test.q
index 52f9838b4a2117d8351a9d23f1c760196e36a246..c201ba134486e130da035e8c6513b0e523760163 100644 (file)
--- a/src/language/stats/t-test.q
+++ b/src/language/stats/t-test.q
@@ -240,8 +240,6 @@ static void calculate (struct cmd_t_test *,
 
 static  int mode;
 
-static struct cmd_t_test cmd;
-
 static int compare_group_binary (const struct group_statistics *a,
                                const struct group_statistics *b,
                                const struct group_properties *p);
@@ -255,6 +253,7 @@ static unsigned  hash_group_binary (const struct group_statistics *g,
 int
 cmd_t_test (struct lexer *lexer, struct dataset *ds)
 {
+  struct cmd_t_test cmd;
   struct casegrouper *grouper;
   struct casereader *group;
   bool ok;