Allow webrtc compilation with stlport

modules/audio_processing/intelligibility/intelligibility_enhancer.cc

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 372 matching lines @@
       sols[n] =
           (-beta0 - sqrtf(beta0 * beta0 - 4 * alpha0 * gamma0)) / (2 * alpha0);
     } else {
       sols[n] = -gamma0 / beta0;
     }
     sols[n] = fmax(0, sols[n]);
   }
 }
 
 void IntelligibilityEnhancer::FilterVariance(const float* var, float* result) {
+  DCHECK_GT(freqs_, 0);
   for (int i = 0; i < bank_size_; ++i) {
-    result[i] = DotProduct(filter_bank_[i].data(), var, freqs_);
+    result[i] = DotProduct(&filter_bank_[i][0], var, freqs_);
   }
 }
 
 float IntelligibilityEnhancer::DotProduct(const float* a,
                                           const float* b,
                                           int length) {
   float ret = 0.0f;
 
   for (int i = 0; i < length; ++i) {
     ret = fmaf(a[i], b[i], ret);
   }
   return ret;
 }
 
 }  // namespace webrtc