[gimp] plug-ins: fix duplicate argument name in file-gih-save

[Michael Natterer <mitch src gnome org>]

commit a1343ee89c1cdcd6cc9846b755dd42e2ef7d652e
Author: Michael Natterer <mitch gimp org>
Date:   Mon Sep 2 17:56:06 2019 +0200

    plug-ins: fix duplicate argument name in file-gih-save

 plug-ins/common/file-gih.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/plug-ins/common/file-gih.c b/plug-ins/common/file-gih.c
index 542072b538..4e6850653e 100644
--- a/plug-ins/common/file-gih.c
+++ b/plug-ins/common/file-gih.c
@@ -246,9 +246,9 @@ gih_create_procedure (GimpPlugIn  *plug_in,
                                  "Ranks of the dimensions",
                                  GIMP_PARAM_READWRITE);
 
-      GIMP_PROC_ARG_INT (procedure, "dimension",
-                         "Dimension",
-                         "Dimension of the brush pipe",
+      GIMP_PROC_ARG_INT (procedure, "dimension-2",
+                         "Dimension 2",
+                         "Dimension of the brush pipe (same as dimension)",
                          1, 4, 1,
                          GIMP_PARAM_READWRITE);