Mac compilation fix after last commit

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38580 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/strconv.cpp

@@ -2504,8 +2504,6 @@ public:
 
     virtual wxMBConv *Clone() const { return new wxMBConv_cocoa(*this); }
 
-    bool IsOk() const
-
     bool IsOk() const
     {
         return m_encoding != kCFStringEncodingInvalidId &&
@@ -2669,9 +2667,8 @@ public:
         return res ;
     }
 
-    virtual wxMBConv *Clone() const { return wxMBConv_mac(*this); }
+    virtual wxMBConv *Clone() const { return new wxMBConv_mac(*this); }
 
-    bool IsOk() const
     bool IsOk() const
         { return m_MB2WC_converter !=  NULL && m_WC2MB_converter != NULL  ; }