generate_architecture: find portable

.architectures-lib

@@ -12,7 +12,7 @@ _generateParentRepoToArches() {
 	local officialImagesUrl='https://github.com/docker-library/official-images/raw/master/library/'
 
 	eval "declare -g -A parentRepoToArches=( $(
-		find -name 'Dockerfile' -exec awk '
+		find . -name 'Dockerfile' -exec awk '
 				toupper($1) == "FROM" && $2 !~ /^('"$repo"'|scratch|.*\/.*)(:|$)/ {
 					print "'"$officialImagesUrl"'" $2
 				}