update checkpoint

src/checkpoints/checkpoints.cpp

@@ -201,6 +201,7 @@ namespace cryptonote
       ADD_CHECKPOINT(62419,  "bd8bf5ac4c4fb07ab4d0d492bd1699def5c095ab6943ad3b63a89d1d8b1ce748");
       ADD_CHECKPOINT(62425,  "41a922dba6f3906871b2ccaf31ec9c91033470c503959093dae796deda8940ea");
       ADD_CHECKPOINT(62479,  "a2e8ff4205ba2980eb70921b0b21b5fc656ee273664ea94b860c68ca069b60dd");
+      ADD_CHECKPOINT(62503,  "25fa115962988b4b8f8cfd22744a3e653b22ead8c8468e64caf334fc75a97d08");
 
       return true;
   }