Fix compilation with msan

modules/core/src/hal_internal.cpp

@@ -254,7 +254,7 @@ lapack_SVD(fptype* a, size_t a_step, fptype *w, fptype* u, size_t u_step, fptype
     // Make sure MSAN sees the memory as having been written.
     // MSAN does not think it has been written because a different language is called.
     // Note: we do this here because if dgesdd is C++, MSAN errors can be reported within it.
-    CV_ANNOTATE_MEMORY_IS_INITIALIZED(buffer, sizeof(fptype) * (lwork + 1));
+    CV_ANNOTATE_MEMORY_IS_INITIALIZED(buffer.data(), sizeof(fptype) * (lwork + 1));
 
     if(typeid(fptype) == typeid(float))
         OCV_LAPACK_FUNC(sgesdd)(mode, &m, &n, (float*)a, &lda, (float*)w, (float*)u, &ldu,