Fix a script warning

Change-Id: I96acd34173b3f678bd59709da11302fb78d73683
Signed-off-by: Chengwei Yang <chengwei.yang@intel.com>

diff --git a/tizen_platform_env.sh b/tizen_platform_env.sh
index 1efb6e1..1335e28 100755 (executable)
--- a/tizen_platform_env.sh
+++ b/tizen_platform_env.sh
@@ -4,7 +4,9 @@ if [ -e "/opt/etc/dlog/.platformloggingon" ]; then
        export TIZEN_PLATFORMLOGGING_MODE=1
 fi
 
-if [ "$TIZEN_PLATFORMLOGGING_MODE" -eq "1" ]; then
+# I'm not clear why "-a" doesn't work here
+if [ "x$TIZEN_PLATFORMLOGGING_MODE" != "x" ] &&
+       [ "$TIZEN_PLATFORMLOGGING_MODE" -eq "1" ]; then
        dlevel=$(cat /opt/etc/.dloglevel)
        if [ "$dlevel" -eq "0" ]; then
                export TIZEN_DLOG_LEVEL=0