Fix missing-prototype errors in tests/suites
Signed-off-by: Michael Schuster <michael@schuster.ms>
diff --git a/tests/suites/test_suite_pkcs7.function b/tests/suites/test_suite_pkcs7.function
index 4c8bf23..e5dc4bd 100644
--- a/tests/suites/test_suite_pkcs7.function
+++ b/tests/suites/test_suite_pkcs7.function
@@ -17,7 +17,7 @@
* END_DEPENDENCIES
*/
/* BEGIN_SUITE_HELPERS */
-int pkcs7_parse_buffer(unsigned char *pkcs7_buf, int buflen)
+static int pkcs7_parse_buffer(unsigned char *pkcs7_buf, int buflen)
{
int res;
mbedtls_pkcs7 pkcs7;