Minor modifications after PR review

1. Move ChangLog entry to correct location
2. Move point formats outside the ECP_ALT check, as it's part of the RFC
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index fe34614..1bc5ac9 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -231,16 +231,16 @@
 
 /* \} name SECTION: Module settings */
 
+#else  /* MBEDTLS_ECP_ALT */
+#include "ecp_alt.h"
+#endif /* MBEDTLS_ECP_ALT */
+
 /*
  * Point formats, from RFC 4492's enum ECPointFormat
  */
 #define MBEDTLS_ECP_PF_UNCOMPRESSED    0   /**< Uncompressed point format */
 #define MBEDTLS_ECP_PF_COMPRESSED      1   /**< Compressed point format */
 
-#else  /* MBEDTLS_ECP_ALT */
-#include "ecp_alt.h"
-#endif /* MBEDTLS_ECP_ALT */
-
 /*
  * Some other constants from RFC 4492
  */