- Fix RPATH to fix linking

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -62,7 +62,8 @@ if(APPLE)
     SET(CMAKE_MACOSX_RPATH TRUE)
     SET(CMAKE_INSTALL_RPATH "@loader_path/${INKSCAPE_INSTALL_LIBDIR_RELATIVE_TO_BINDIR}")
 else()
-    SET(CMAKE_INSTALL_RPATH "$ORIGIN/${INKSCAPE_INSTALL_LIBDIR_RELATIVE_TO_BINDIR}")
+    SET(CMAKE_INSTALL_RPATH  "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}"
+    "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/inkscape")
 endif()
 
 # console output is slow as hell on Windows and as a result status messages of the "install" target slow down
