Add missing newlines

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/tests/suites/test_suite_ecdsa.function b/tests/suites/test_suite_ecdsa.function
index 947890a..8f2f6b1 100644
--- a/tests/suites/test_suite_ecdsa.function
+++ b/tests/suites/test_suite_ecdsa.function
@@ -530,4 +530,4 @@
     mbedtls_mpi_free( &sig_r );
     mbedtls_mpi_free( &sig_s );
 }
-/* END_CASE */
\ No newline at end of file
+/* END_CASE */