first round of Intel compiler warning fixes: down from a few thousands just to slightly more than 100

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35688 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/string.cpp

@@ -365,8 +365,8 @@ bool wxStringBase::Alloc(size_t nLen)
     if ( pData->IsEmpty() ) {
       nLen += EXTRA_ALLOC;
 
-      wxStringData* pData = (wxStringData*)
-          malloc(sizeof(wxStringData) + (nLen + 1)*sizeof(wxChar));
+      pData = (wxStringData *)
+                malloc(sizeof(wxStringData) + (nLen + 1)*sizeof(wxChar));
 
       if ( pData == NULL ) {
         // allocation failure handled by caller