File fix-enforced-clock-gettime.patch of Package haveged.2788

--- configure.ac
+++ configure.ac
@@ -173,7 +173,7 @@
  ;;
 
  *)
-    if test "x$enable_clock_gettime" = "xx"; then
+    if test "x$enable_clock_gettime" = "xx" -o "x$enable_clock_gettime" = "xyes"; then
       enable_clock_gettime="yes"
     else
       AC_MSG_ERROR([no timer source for host :"$host".])