configure: HPUX warning for empty CC

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

diff --git a/configure b/configure
index cc4bdeb9f5ac3f1de0f657c10dc52c43f56395c9..7352bf1cd1ef1a84a92e0021325178fd7987c51a 100755 (executable)
--- a/configure
+++ b/configure
@@ -252,7 +252,7 @@ case "$cpu" in
   ;;
 esac
 
   ;;
 esac
 

-if test -z $CC; then
+if test -z "$CC" ; then

   if test "$targetos" = "FreeBSD"; then
     if has clang; then
       CC=clang
   if test "$targetos" = "FreeBSD"; then
     if has clang; then
       CC=clang