[gimp] desktop: so the accurate naming of the release is "2.10.0-rc1".

[Jehan Pagès <jehanp src gnome org>]

commit f8de23877f3b0e43ad032eb51406e771556ccdcc
Author: Jehan <jehan girinstud io>
Date:   Sun Mar 25 14:31:57 2018 +0200

    desktop: so the accurate naming of the release is "2.10.0-rc1".

 desktop/org.gimp.GIMP.appdata.xml.in.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/desktop/org.gimp.GIMP.appdata.xml.in.in b/desktop/org.gimp.GIMP.appdata.xml.in.in
index 20f5525..beb00df 100644
--- a/desktop/org.gimp.GIMP.appdata.xml.in.in
+++ b/desktop/org.gimp.GIMP.appdata.xml.in.in
@@ -121,7 +121,7 @@
     </release>
     -->
 
-    <release version="2.10 RC1" date="2018-03-25" type="development">
+    <release version="2.10.0-rc1" date="2018-03-25" type="development">
       <description>
         <_p>
         GIMP 2.10 RC1 is the first release candidate before GIMP 2.10