[bug37999 07/11] RANK: Simplify fraction_name() function.

[Ben Pfaff]

The caller only needs a constant string so we might as well just return
one directly rather than through a static buffer.
---
 src/language/stats/rank.c |   21 +++++----------------
 1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/src/language/stats/rank.c b/src/language/stats/rank.c
index d9465ac..2088565 100644
--- a/src/language/stats/rank.c
+++ b/src/language/stats/rank.c
@@ -595,25 +595,14 @@ rank_cmd (struct dataset *ds,  const struct rank *cmd);
 static const char *
 fraction_name (const struct rank *cmd)
 {
-  static char name[10];
   switch (cmd->fraction )
     {
-    case FRAC_BLOM:
-      strcpy (name, "BLOM");
-      break;
-    case FRAC_RANKIT:
-      strcpy (name, "RANKIT");
-      break;
-    case FRAC_TUKEY:
-      strcpy (name, "TUKEY");
-      break;
-    case FRAC_VW:
-      strcpy (name, "VW");
-      break;
-    default:
-      NOT_REACHED ();
+    case FRAC_BLOM:   return "BLOM";
+    case FRAC_RANKIT: return "RANKIT";
+    case FRAC_TUKEY:  return "TUKEY";
+    case FRAC_VW:     return "VW";
+    default:          NOT_REACHED ();
     }
-  return name;
 }
 
 /* Create a label on DEST_VAR, describing its derivation from SRC_VAR and F */
-- 
1.7.10.4