remove trailing whitespace

lib/hcrypto/libtommath/bn_mp_gcd.c

@@ -76,17 +76,17 @@ int mp_gcd (mp_int * a, mp_int * b, mp_int * c)
         /* swap u and v to make sure v is >= u */
         mp_exch(&u, &v);
      }
-     
+
      /* subtract smallest from largest */
      if ((res = s_mp_sub(&v, &u, &v)) != MP_OKAY) {
         goto LBL_V;
      }
-     
+
      /* Divide out all factors of two */
      if ((res = mp_div_2d(&v, mp_cnt_lsb(&v), &v, NULL)) != MP_OKAY) {
         goto LBL_V;
-     } 
-  } 
+     }
+  }
 
   /* multiply by 2**k which we divided out at the beginning */
   if ((res = mp_mul_2d (&u, k, c)) != MP_OKAY) {