code style

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/pkcs12.c b/library/pkcs12.c
index 8540de2..1dbdb02 100644
--- a/library/pkcs12.c
+++ b/library/pkcs12.c
@@ -171,7 +171,9 @@
         goto exit;
     }
 
-    if ((ret = mbedtls_cipher_set_iv(&cipher_ctx, iv, mbedtls_cipher_info_get_iv_size(cipher_info))) != 0) {
+    if ((ret =
+             mbedtls_cipher_set_iv(&cipher_ctx, iv,
+                                   mbedtls_cipher_info_get_iv_size(cipher_info))) != 0) {
         goto exit;
     }