fix some sh portability fixes

Replace bash specific way with POSIX one.

Signed-off-by: OBATA Akio <obache@wizdas.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/karm/test/__lib.sh b/karm/test/__lib.sh
index 06fd9df62..0f8be7bbd 100644
--- a/karm/test/__lib.sh
+++ b/karm/test/__lib.sh
@@ -1,7 +1,7 @@
 
 # Expects karm test file in $TESTFILE 
 # Returns dcop id in $DCOP_ID
-function set_up()
+set_up()
 {
   DCOPID=`dcop 2>/dev/null | grep karm`
 
@@ -44,7 +44,7 @@ function set_up()
     then
       break
     else
-      let "idx += 1"
+      idx=$(( idx + 1 ))
     fi
     sleep 1
   done
@@ -64,12 +64,12 @@ function set_up()
   fi
 }
 
-function test_func()
+test_func()
 {
   echo "Yep, that works."
 }
 
-function tear_down()
+tear_down()
 {
   if [ -n "$DCOPID" ]; then dcop "$DCOPID" KarmDCOPIface quit; fi;