Update platform/linux/do_debian_package.sh

Co-authored-by: Benoit Pierre <benoit.pierre@gmail.com>

platform/linux/do_debian_package.sh

@@ -90,10 +90,7 @@ if command_exists "${COMMAND}"; then
     (cd "${BASE_DIR}/usr/lib/koreader/fonts/noto" && link_fonts "$(pwd)")
 
     # DroidSansMono has a restrictive license. Replace it with DroidSansFallback
-    (
-        cd "${BASE_DIR}/usr/lib/koreader/fonts/droid" && rm -rf DroidSansMono.ttf &&
-            ln -s ../../../../share/fonts-droid-fallback/truetype/DroidSansFallback.ttf DroidSansMono.ttf
-    )
+    ln -snf ../../../../share/fonts-droid-fallback/truetype/DroidSansFallback.ttf "${BASE_DIR}/usr/lib/koreader/fonts/droid/DroidSansMono.ttf"
 
     # add debian changelog
     write_changelog "${BASE_DIR}/usr"