[glabels] Fix typo

[Marek Černocký <mcernocky src gnome org>]

commit b6e7cf07b98480fbc0a8329f7936523b0a9c13ee
Author: Marek Černocký <marek manet cz>
Date:   Thu Feb 25 09:28:32 2016 +0100

    Fix typo

 src/label.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/label.c b/src/label.c
index d1cc309..73db822 100644
--- a/src/label.c
+++ b/src/label.c
@@ -783,7 +783,7 @@ gl_label_get_dimensions_string (glLabel *label)
                else
                        s1 = g_strdup_printf ("%.5g", 2*frame->round.r*units_per_point);
                /*Translators: A round label dimensions. first param is numeric value of*/
-               /*diameter and secons is unit. Example:*/
+               /*diameter and second is unit. Example:*/
                /*"120.5 mm (diameter)"*/
                dims = g_strdup_printf (_("%s %s (diameter)"),
                                        s1, lgl_units_get_name (units));