[gimp] plug-ins: fix a glitch in the script-fu unique argument name logic

[Michael Natterer <mitch src gnome org>]

commit add31e297649ea63d3f14fd94c56e2bd5202e288
Author: Michael Natterer <mitch gimp org>
Date:   Mon Sep 2 19:31:15 2019 +0200

    plug-ins: fix a glitch in the script-fu unique argument name logic

 plug-ins/script-fu/script-fu-script.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/plug-ins/script-fu/script-fu-script.c b/plug-ins/script-fu/script-fu-script.c
index 85fb86d7ba..1872c295bf 100644
--- a/plug-ins/script-fu/script-fu-script.c
+++ b/plug-ins/script-fu/script-fu-script.c
@@ -264,14 +264,18 @@ script_fu_script_install_proc (GimpPlugIn  *plug_in,
           break;
 
         case SF_STRING:
-        case SF_TEXT:
           name = "string";
           nick = "String";
           break;
 
+        case SF_TEXT:
+          name = "text";
+          nick = "Text";
+          break;
+
         case SF_ADJUSTMENT:
-          name = "value";
-          nick = "Value";
+          name = "adjustment";
+          nick = "Adjustment";
           break;
 
         case SF_FILENAME: