Utils: Adjust name fillWithZero()

The name was quite missleading.

Change-Id: I538eca2a59e8a861e707fecd8331488e1919408a
Reviewed-by: David Schulz <david.schulz@qt.io>

src/libs/utils/sizedarray.h

@@ -108,7 +108,7 @@ public:
         return m_size == 0;
     }
 
-    void fillWithZero()
+    void initializeElements()
     {
         std::array<T, MaxSize>::fill(T{});
     }

src/plugins/clangcodemodel/clanghighlightingmarksreporter.cpp

@@ -72,7 +72,7 @@ TextEditor::TextStyle toTextStyle(ClangBackEnd::HighlightingType type)
 TextEditor::TextStyles toTextStyles(ClangBackEnd::HighlightingTypes types)
 {
     TextEditor::TextStyles textStyles;
-    textStyles.mixinStyles.fillWithZero();
+    textStyles.mixinStyles.initializeElements();
 
     textStyles.mainStyle = toTextStyle(types.mainHighlightingType);
 

src/plugins/cpptools/semantichighlighter.cpp

@@ -138,7 +138,7 @@ static TextStyles mixinStyle(TextStyle main, TextStyle mixin)
 {
     TextStyles res;
     res.mainStyle = main;
-    res.mixinStyles.fillWithZero();
+    res.mixinStyles.initializeElements();
     res.mixinStyles.push_back(mixin);
     return res;
 }