[6.0] aa69c9a4e Test persistent storage under Travis

[Federico G. Schwindt]

commit aa69c9a4ecf45e19d855404451e4044d4d8801cf
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Fri Mar 30 11:35:26 2018 -0300

    Test persistent storage under Travis

diff --git a/.travis.yml b/.travis.yml
index 4b310bee1..f71674461 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,7 +39,7 @@ before_install:
       sudo apt-get update;
       sudo apt-get install -y clang-$CLANG llvm-$CLANG;
       export CC=clang-$CLANG;
-      export CONFIGURE_ARGS="--enable-developer-warnings --enable-debugging-symbols --disable-stack-protector ${SAN_FLAGS}";
+      export CONFIGURE_ARGS="--enable-developer-warnings --enable-debugging-symbols --disable-stack-protector --with-persistent-storage ${SAN_FLAGS}";
       export ASAN_OPTIONS=abort_on_error=1,detect_odr_violation=1,detect_leaks=1,detect_stack_use_after_return=1,detect_invalid_pointer_pairs=1,handle_segv=0,handle_sigbus=0,use_sigaltstack=0;
       export LSAN_OPTIONS=abort_on_error=1,use_sigaltstack=0,suppressions=$(pwd)/tools/lsan.suppr;
       export TSAN_OPTIONS=abort_on_error=1,halt_on_error=1,use_sigaltstack=0,suppressions=$(pwd)/tools/tsan.suppr;