Fix missing initializer warning

This issue occurs when using gcc versions < 5.

src/base/utils/version.h

@@ -50,7 +50,7 @@ namespace Utils
         typedef Version<T, N, Mandatory> ThisType;
 
         constexpr Version()
-            : m_components {}
+            : m_components {{}}
         {
         }
 
@@ -167,7 +167,7 @@ namespace Utils
                 throw std::runtime_error ("Incorrect number of version components");
 
             bool ok = false;
-            ComponentsArray res{};
+            ComponentsArray res {{}};
             for (std::size_t i = 0; i < static_cast<std::size_t>(versionParts.size()); ++i) {
                 res[i] = static_cast<T>(versionParts[i].toInt(&ok));
                 if (!ok)