- Updated for migration to size_t

diff --git a/tests/suites/test_suite_cipher.function b/tests/suites/test_suite_cipher.function
index de18c46..8a05767 100644
--- a/tests/suites/test_suite_cipher.function
+++ b/tests/suites/test_suite_cipher.function
@@ -76,7 +76,7 @@
     unsigned char encbuf[64];
     unsigned char decbuf[64];
 
-    int outlen = 0;
+    size_t outlen = 0;
 
     memset( key, 0, 32 );
     memset( iv , 0, 16 );