Fix compilation for
 CONFIG_DELTA_Q &&
 !CONFIG_EC_ADAPT &&
 !CONFIG_EXT_DELTA_Q

Introduced in
  Ic42f60e19c56db52dd51b3784fd305c7e6b595c7

BUG=aomedia:616

Change-Id: Id0af560914d6b32c467dbb773d9462a089260944
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 609c3fd..4e37fa3 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -5001,16 +5001,16 @@
 #if CONFIG_DELTA_Q && !CONFIG_EC_ADAPT
 #if CONFIG_EXT_DELTA_Q
   if (cm->delta_q_present_flag) {
-    for (k = 0; k < DELTA_Q_PROBS; ++k)
-      av1_diff_update_prob(&r, &fc->delta_q_prob[k], ACCT_STR);
+    for (i = 0; i < DELTA_Q_PROBS; ++i)
+      av1_diff_update_prob(&r, &fc->delta_q_prob[i], ACCT_STR);
   }
   if (cm->delta_lf_present_flag) {
-    for (k = 0; k < DELTA_LF_PROBS; ++k)
-      av1_diff_update_prob(&r, &fc->delta_lf_prob[k], ACCT_STR);
+    for (i = 0; i < DELTA_LF_PROBS; ++i)
+      av1_diff_update_prob(&r, &fc->delta_lf_prob[i], ACCT_STR);
   }
 #else
-  for (k = 0; k < DELTA_Q_PROBS; ++k)
-    av1_diff_update_prob(&r, &fc->delta_q_prob[k], ACCT_STR);
+  for (i = 0; i < DELTA_Q_PROBS; ++i)
+    av1_diff_update_prob(&r, &fc->delta_q_prob[i], ACCT_STR);
 #endif
 #endif