Use `int` pointer for `paused` param in mbedtls_mps_reader_reclaim()

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/library/mps_reader.c b/library/mps_reader.c
index 6fda740..7221433 100644
--- a/library/mps_reader.c
+++ b/library/mps_reader.c
@@ -411,7 +411,7 @@
 }
 
 int mbedtls_mps_reader_reclaim( mbedtls_mps_reader *rd,
-                                mbedtls_mps_size_t *paused )
+                                int *paused )
 {
     unsigned char *frag, *acc;
     mbedtls_mps_size_t pending, commit;