Fixes for flang in MOM_remapping.F90 #56

Job	Run time
build-openmp	3m 31s
build-repro	4m 7s
build-asymmetric	3m 19s
build-symmetric	4m 23s
build-target	4m 7s
test-rotate	2m 21s
test-layout	2m 0s
test-nan	2m 1s
test-restart	2m 35s
test-grid	2m 23s
test-regression	2m 7s
test-repro	2m 15s
test-openmp	2m 36s
test-dim (r, density)	2m 22s
test-dim (l, horizontal length)	2m 47s
test-dim (q, enthalpy)	2m 14s
test-dim (h, vertical thickness)	2m 33s
test-dim (z, vertical coordinate)	2m 14s
test-dim (t, time)	3m 42s
cleanup-common	6s
cleanup-pr	4s
cleanup-push	-1s
	53m 46s

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