[gimp] app: update "horizontal/vertical guide position" labels.

[Jehan Pagès <jehanp src gnome org>]

commit 790f72d4fe4225e41002236824394025ad20e514
Author: Jehan <jehan girinstud io>
Date:   Thu Feb 11 17:15:53 2016 +0100

    app: update "horizontal/vertical guide position" labels.
    
    "Guide" is our internal representation. In geometry, we'll talk about
    an "axis" of symmetry.

 app/core/gimpsymmetry-mirror.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/app/core/gimpsymmetry-mirror.c b/app/core/gimpsymmetry-mirror.c
index cf269fa..49288ab 100644
--- a/app/core/gimpsymmetry-mirror.c
+++ b/app/core/gimpsymmetry-mirror.c
@@ -152,16 +152,16 @@ gimp_mirror_class_init (GimpMirrorClass *klass)
   /* Properties for XCF serialization only */
   g_object_class_install_property (object_class, PROP_HORIZONTAL_POSITION,
                                    g_param_spec_double ("horizontal-position",
-                                                        _("Horizontal guide position"),
-                                                        _("Horizontal guide position"),
+                                                        _("Horizontal axis position"),
+                                                        _("Horizontal axis position"),
                                                         0.0, G_MAXDOUBLE, 0.0,
                                                         GIMP_CONFIG_PARAM_FLAGS |
                                                         GIMP_PARAM_STATIC_STRINGS |
                                                         GIMP_SYMMETRY_PARAM_GUI));
   g_object_class_install_property (object_class, PROP_VERTICAL_POSITION,
                                    g_param_spec_double ("vertical-position",
-                                                        _("Vertical guide position"),
-                                                        _("Vertical guide position"),
+                                                        _("Vertical axis position"),
+                                                        _("Vertical axis position"),
                                                         0.0, G_MAXDOUBLE, 0.0,
                                                         GIMP_CONFIG_PARAM_FLAGS |
                                                         GIMP_PARAM_STATIC_STRINGS |