Fix formatting: remove trailing spaces, #endif with comments (> 10 lines)
diff --git a/include/polarssl/asn1write.h b/include/polarssl/asn1write.h
index d7f7b52..9c36030 100644
--- a/include/polarssl/asn1write.h
+++ b/include/polarssl/asn1write.h
@@ -85,7 +85,7 @@
* \return the length written or a negative error code
*/
int asn1_write_mpi( unsigned char **p, unsigned char *start, mpi *X );
-#endif
+#endif /* POLARSSL_BIGNUM_C */
/**
* \brief Write a NULL tag (ASN1_NULL) with zero data in ASN.1 format