[gegl] Text string corrected to gettext syntax

[Marco Ciampa <marcoc src gnome org>]

commit b5d1d5c8aaf1e22d8f4645d1b49a633b1832544f
Author: Marco Ciampa <ciampix libero it>
Date:   Mon Apr 20 16:15:28 2015 +0200

    Text string corrected to gettext syntax

 operations/workshop/ink-simulator.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/operations/workshop/ink-simulator.c b/operations/workshop/ink-simulator.c
index c0e97f5..7348e3e 100644
--- a/operations/workshop/ink-simulator.c
+++ b/operations/workshop/ink-simulator.c
@@ -55,7 +55,7 @@ property_color (ink4_color, _("Ink4 color"), "#00000000", _("ink color"))
 property_color (ink5_color, _("Ink5 color"), "#ff000000", _("ink color"))
 
 property_double (ink_limit, _("Ink limit"), 0.0, 5.0, 3.0,
-                   _("maximum amount of ink for one pixel, 2.5 = 250% coverage"))
+                   _("maximum amount of ink for one pixel, 2.5 = 250%% coverage"))
 
 #endif