wpa_supplicant: clean up unused variable warning

diff --git a/components/wpa_supplicant/src/crypto/libtommath.h b/components/wpa_supplicant/src/crypto/libtommath.h
index 31f97065937ab4896722502dfebd11be4acb3c3a..1010f9f63fdcac581e147308a7365e4682bbef99 100644 (file)
--- a/components/wpa_supplicant/src/crypto/libtommath.h
+++ b/components/wpa_supplicant/src/crypto/libtommath.h
@@ -668,6 +668,7 @@ mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y)
   } else {
 #endif
 #ifdef BN_S_MP_EXPTMOD_C
+    (void) dr;
     /* otherwise use the generic Barrett reduction technique */
     return s_mp_exptmod (G, X, P, Y, 0);
 #else