RPI - Fix 64-bit SHARED lib type build config.

CMake/Modules/UrhoCommon.cmake

@@ -124,8 +124,12 @@ include (CheckCompilerToolchain)
 
 # Extra linker flags for linking against indirect dependencies (linking shared lib with dependencies)
 if (RPI)
-    # Extra linker flags for Raspbian because it installs VideoCore libraries in the "/opt/vc/lib" directory (no harm in doing so for other distros)
-    set (INDIRECT_DEPS_EXE_LINKER_FLAGS "${INDIRECT_DEPS_EXE_LINKER_FLAGS} -Wl,-rpath-link,\"${CMAKE_SYSROOT}/opt/vc/lib\"")      # CMAKE_SYSROOT is empty when not cross-compiling
+    if (NOT NATIVE_64BIT)
+        # Extra linker flags for Raspbian because it installs VideoCore libraries in the "/opt/vc/lib" directory (no harm in doing so for other distros)
+        set (INDIRECT_DEPS_EXE_LINKER_FLAGS "${INDIRECT_DEPS_EXE_LINKER_FLAGS} -Wl,-rpath-link,\"${CMAKE_SYSROOT}/opt/vc/lib\"")      # CMAKE_SYSROOT is empty when not cross-compiling
+    else ()
+        set (INDIRECT_DEPS_EXE_LINKER_FLAGS "${INDIRECT_DEPS_EXE_LINKER_FLAGS} -Wl,-rpath-link,\"${CMAKE_SYSROOT}/usr/lib/aarch64-linux-gnu\"")
+    endif ()
 elseif (APPLE AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0.0)
     set (INDIRECT_DEPS_EXE_LINKER_FLAGS "${INDIRECT_DEPS_EXE_LINKER_FLAGS} -Wl,-no_weak_imports")
 endif ()