Adds omp critical directives for gathering ice warnings

Author: singhbalwinder

components/mpas-seaice/src/column/ice_warnings.F90

@@ -42,7 +42,7 @@ subroutine add_warning(warning)
     integer :: &
          nWarningsArray, & ! size of warnings array at start
          iWarning ! warning index
-
+    !$omp critical
     ! check if warnings array is not allocated
     if (.not. allocated(warnings)) then
 
@@ -90,7 +90,7 @@ subroutine add_warning(warning)
 
     ! add the new warning
     warnings(nWarnings) = trim(warning)
-
+    !$omp end critical
   end subroutine add_warning
 
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