Fix boot with user suspend and no resume= kernel argument

Mandriva bug https://qa.mandriva.com/show_bug.cgi?id=57924. Check if dracut got resume= argument before calling /usr/sbin/resume

Signed-off-by Andrey Borzenkov<arvidjaar-JGs/[email protected]>

---

  modules.d/95uswsusp/resume-uswsusp.sh |    4 +++-
  1 files changed, 3 insertions(+), 1 deletions(-)

modules.d/95uswsusp/resume-uswsusp.sh +3 -2

index 9b18567..ce0e3d2 100755
@@ -8,4 +8,6 @@ case "$splash" in
      ;;
  esac
 
-/usr/sbin/resume $a_splash "$resume"
+if [ -n "$resume" ]; then
+    /usr/sbin/resume $a_splash "$resume"
+fi
 
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