more formatting fix

Author: DavePutz

py/mpz.c

@@ -447,7 +447,7 @@ STATIC size_t mpn_mul(mpz_dig_t *idig, mpz_dig_t *jdig, size_t jlen, mpz_dig_t *
         // check to prevent usb starvation
         RUN_BACKGROUND_TASKS;
     }
-    
+
     return ilen;
 }