Update swarm v1.2.4-rc2

Signed-off-by: Nishant Totla <[email protected]>

library/swarm

@@ -6,5 +6,5 @@
 
 
 1.2.3: git://github.com/docker/swarm-library-image@a1b25fc6cd2a6175d17a8ae5241c31996e8faaa8
-1.2.4-rc1: git://github.com/docker/swarm-library-image@2600149d6ab1647736d0e70e7e4bac1fcecf5c99
+1.2.4-rc2: git://github.com/docker/swarm-library-image@925e43d214604e3522a1e5882e2557fdb006f3d2
 latest: git://github.com/docker/swarm-library-image@a1b25fc6cd2a6175d17a8ae5241c31996e8faaa8