FIO-VERSION-GEN: use `foo` instead of $(foo)

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/FIO-VERSION-GEN b/FIO-VERSION-GEN
index 85e6f4a1fd7e2f81c54ed8e8c82c95a0936d5df8..6811d2962827b6ae8a521f51027ab591a95ba120 100755 (executable)
--- a/FIO-VERSION-GEN
+++ b/FIO-VERSION-GEN
@@ -10,14 +10,14 @@ LF='
 # then try git-describe, then default.
 if test -f version
 then
-       VN=$(cat version) || VN="$DEF_VER"
+       VN=`cat version` || VN="$DEF_VER"
 elif test -d .git -o -f .git &&
-       VN=$(git describe --match "fio-[0-9]*" --abbrev=4 HEAD 2>/dev/null) &&
+       VN=`git describe --match "fio-[0-9]*" --abbrev=4 HEAD 2>/dev/null` &&
        case "$VN" in
        *$LF*) (exit 1) ;;
        v[0-9]*)
                git update-index -q --refresh
-               test -z "$(git diff-index --name-only HEAD --)" ||
+               test -z "`git diff-index --name-only HEAD --`" ||
                VN="$VN-dirty" ;;
        esac
 then
@@ -26,11 +26,11 @@ else
        VN="$DEF_VER"
 fi
 
-VN=$(expr "$VN" : v*'\(.*\)')
+VN=`expr "$VN" : v*'\(.*\)'`
 
 if test -r $GVF
 then
-       VC=$(sed -e 's/^FIO_VERSION = //' <$GVF)
+       VC=`sed -e 's/^FIO_VERSION = //' <$GVF`
 else
        VC=unset
 fi