[gimp-web/testing] Add 2.10.0-RC2 to GIMP_VERSIONS to update downloads/devel

[Pat David <patdavid src gnome org>]

commit 262ebc1e4db3e1d2064f3c6e32fe999b05343845
Author: Pat David <patdavid gmail com>
Date:   Tue Apr 17 15:51:42 2018 -0500

    Add 2.10.0-RC2 to GIMP_VERSIONS to update downloads/devel
    
    Just added the JSON entry for 2.10.0-RC2.

 GIMP_VERSIONS |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/GIMP_VERSIONS b/GIMP_VERSIONS
index fc4962c..97179df 100644
--- a/GIMP_VERSIONS
+++ b/GIMP_VERSIONS
@@ -138,6 +138,13 @@
             }
     },
     "DEVELOPMENT": {
+        "2.10.0-RC2": {
+            "date": "2018-04-17",
+            "source": {
+                "gimp-2.10.0-RC2.tar.bz2 ": "46aa8b38d8c00fcc912ebb389f653fec"
+            }
+        },
+
         "2.10.0-RC1": {
             "date": "2018-03-26",
             "source": {