logpersist: missing X

Signed-off-by: LawrenceSY_Kuo@asus.com
Bug: 19608716
Change-Id: I90e0313262a02906dec71417b995fc725f78a292
diff --git a/logcat/logpersist b/logcat/logpersist
index 6f666f6..dab466d 100755
--- a/logcat/logpersist
+++ b/logcat/logpersist
@@ -10,7 +10,7 @@
 data=/data/misc/logd
 property=persist.logd.logpersistd
 service=logcatd
-if [ X"${1}" = "-h" -o X"${1}" = X"--help" ]; then
+if [ X"${1}" = X"-h" -o X"${1}" = X"--help" ]; then
   echo "${progname%.*}.cat            - dump current ${service%d} logs"
   echo "${progname%.*}.start          - start ${service} service"
   echo "${progname%.*}.stop [--clear] - stop ${service} service"