removed assert(size != 0) from wxArrayString::Alloc(size) as it was inconsistent with wxArray::Alloc() and wxString::Alloc()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13842 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/string.cpp

@@ -2024,8 +2024,6 @@ wxArrayString::~wxArrayString()
 // pre-allocates memory (frees the previous data!)
 void wxArrayString::Alloc(size_t nSize)
 {
-  wxASSERT( nSize > 0 );
-
   // only if old buffer was not big enough
   if ( nSize > m_nSize ) {
     Free();