[gimp] Fix broken markup in Galician user help

[Andre Klapper <aklapper src gnome org>]

commit e50d844a58fcfed09c61a6d04e797f133e506df4
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Aug 21 22:26:53 2021 +0200

    Fix broken markup in Galician user help

 po-tips/gl.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po-tips/gl.po b/po-tips/gl.po
index 6af928fd61..5509f994be 100644
--- a/po-tips/gl.po
+++ b/po-tips/gl.po
@@ -45,7 +45,7 @@ msgid ""
 "<tt>Ctrl</tt>-drag with the Rotate tool will constrain the rotation to 15 "
 "degree angles."
 msgstr ""
-"Ao premer <tt<Ctrl</tt> mentres arrastra coa ferramenta de rotación, esta "
+"Ao premer <tt>Ctrl</tt> mentres arrastra coa ferramenta de rotación, esta "
 "farase en ángulos de 15 graos."
 
 #: ../data/tips/gimp-tips.xml.in.h:4