Recent OpenVZ kernels provides a 'realbtime' entry in /proc/stat

to track a HN boot time.

Fix regex to match only 'btime' entry.

--- prog/fiaif

+++ prog/fiaif

@@ -316,7 +316,7 @@ fi

 # Remove old state file if older than boot time

 if [[ -f ${SUBSYS_FILE} ]]; then

-    BOOT_TIME=$(grep btime /proc/stat|cut -f 2 -d" ")

+    BOOT_TIME=$(grep '^btime ' /proc/stat|cut -f 2 -d" ")

     SUBSYS_TIME=$(date +%s -r ${SUBSYS_FILE})

     if (( SUBSYS_TIME < BOOT_TIME )); then

 	rm -f ${SUBSYS_FILE}