[S390] Use strim instead of strstrip to avoid false warnings.

Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index b2eb94a..9821c58 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -137,7 +137,7 @@
 		out->type_on_tape = TAPE390_KEKL_TYPE_LABEL;
 	memcpy(out->label, in->label, sizeof(in->label));
 	EBCASC(out->label, sizeof(in->label));
-	strstrip(out->label);
+	strim(out->label);
 }
 
 static void int_to_ext_kekl_pair(struct tape3592_kekl_pair *in,