linker: CMake-ify

Linker/lib/image_util.hpp

@@ -0,0 +1,10 @@
+
+#ifndef IMAGE_UTIL_H
+#define IMAGE_UTIL_H
+
+bool openImage( const char *img );
+bool makeExe( int entry );
+bool replaceRsrc( int type,int id,int land,void *data,int data_sz );
+void closeImage();
+
+#endif