File volk-fix-cpu_features-compilation-error.patch of Package volk

diff --git a/cpu_features/src/utils/list_cpu_features.c b/cpu_features/src/utils/list_cpu_features.c
index c80ffc5..82a8e72 100644
--- a/cpu_features/src/utils/list_cpu_features.c
+++ b/cpu_features/src/utils/list_cpu_features.c
@@ -340,6 +340,7 @@ static Node* GetCacheTypeString(CacheType cache_type) {
     case CPU_FEATURE_CACHE_PREFETCH:
       return CreateConstantString("prefetch");
   }
+  return 0;
 }
 
 static void AddCacheInfo(Node* root, const CacheInfo* cache_info) {