Removed unused Packer::freezeLoader(). Changed return type of

buildLoader() from "int" to "void".

src/p_com.h

@@ -56,7 +56,7 @@ protected:
     virtual Linker* newLinker() const;
 
 protected:
-    virtual int buildLoader(const Filter *ft);
+    virtual void buildLoader(const Filter *ft);
     virtual void patchLoader(OutputFile *fo, upx_byte *, int, unsigned);
     virtual void addFilter16(int filter_id);
 };