fix(zfcp): shellcheck for modules.d/95zfcp

modules.d/95zfcp/parse-zfcp.sh

@@ -3,10 +3,11 @@
 getargbool 1 rd.zfcp.conf -d -n rd_NO_ZFCPCONF || rm /etc/zfcp.conf
 
 for zfcp_arg in $(getargs rd.zfcp -d 'rd_ZFCP='); do
-    echo $zfcp_arg | grep '^0\.[0-9a-fA-F]\.[0-9a-fA-F]\{4\}\(,0x[0-9a-fA-F]\{16\},0x[0-9a-fA-F]\{16\}\)\?$' > /dev/null
+    echo "$zfcp_arg" | grep '^0\.[0-9a-fA-F]\.[0-9a-fA-F]\{4\}\(,0x[0-9a-fA-F]\{16\},0x[0-9a-fA-F]\{16\}\)\?$' > /dev/null
     test $? -ne 0 && die "For argument 'rd.zfcp=$zfcp_arg'\nSorry, invalid format."
     (
         IFS=","
+        # shellcheck disable=SC2086
         set $zfcp_arg
         echo "$@" >> /etc/zfcp.conf
     )