Fix review findings

Author: kimkulling

include/cppcore/Common/TStringBase.h

@@ -95,7 +95,7 @@ class TStringBase {
     T mBuffer[InitSize] = {};
     T *mStringBuffer{nullptr};
     size_t mSize{0};
-    size_t mCapacity{256};
+    size_t mCapacity{InitSize};
     HashId mHashId{0};
 };