Fix uninitialized TRHO in W3IORS for consistent restart files (NOAA-EMC#1472)

Author: mingchen-NOAA

model/src/w3iorsmd.F90

@@ -1445,6 +1445,7 @@ SUBROUTINE W3IORS ( INXOUT, NDSR, DUMFPI, IMOD, FLRSTRT )
         TICE(1) = -1
         TICE(2) =  0
         TRHO(1) = -1
+        TRHO(2) =  0
         TIC1(1) = -1
         TIC1(2) =  0
         TIC5(1) = -1