update bamcoverage for samtools compatibility

modules/modules.nf

@@ -19,9 +19,9 @@ process BAMCOVERAGE {
 	samtools \
 		depth \
 		${bamfiles} \
-		-o tmp
+		> tmp.txt
 
-	awk '{print \$3}' tmp | sort | uniq -c > "${replicateId}.bamdepth" 
+	awk '{print \$3}' tmp.txt | sort | uniq -c > "${replicateId}.bamdepth" 
 	"""
 }