[m-rev.] diff: fix unnecessary imports in interface files

[Simon Taylor]

Estimated hours taken: 1
Branches: main

compiler/modules.m:
	Fix a bug in the code to strip out unncessary import_module
	declarations in interface files ; it was stripping `used' and
	`imported' items, not `use' and `import'.

--------------------------------------------------------------------------
mercury-reviews mailing list
post:  mercury-reviews at cs.mu.oz.au
administrative address: owner-mercury-reviews at cs.mu.oz.au
unsubscribe: Address: mercury-reviews-request at cs.mu.oz.au Message: unsubscribe
subscribe:   Address: mercury-reviews-request at cs.mu.oz.au Message: subscribe
--------------------------------------------------------------------------