randomconfig fixes 2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/scripts/randomtest b/scripts/randomtest
index 41f252a..287f1c7 100755
--- a/scripts/randomtest
+++ b/scripts/randomtest
@@ -115,6 +115,8 @@
 
 # Build!
 nice -n 10 make $MAKEOPTS 2>&1 | tee make.log
+grep 'Rerun make' make.log \
+&& nice -n 10 make $MAKEOPTS 2>&1 | tee -a make.log
 
 # Return exitcode 1 if busybox executable does not exist
 test -x busybox