-improve crosscompiling from Linux to iphone (#10526)

Patch by Karol Krizka

Alex

Source/cmLocalGenerator.h

@@ -133,10 +133,8 @@ public:
   std::vector<cmLocalGenerator*>& GetChildren() { return this->Children; };
     
 
-#ifdef __APPLE__
   void AddArchitectureFlags(std::string& flags, cmTarget* target,
                             const char *lang, const char* config);
-#endif /* __APPLE__ */
 
   void AddLanguageFlags(std::string& flags, const char* lang,
                         const char* config);