load plugin: Use #if rather than #ifdef.

diff --git a/src/load.c b/src/load.c
index db3bf4b..15215d3 100644 (file)
--- a/src/load.c
+++ b/src/load.c
@@ -116,7 +116,7 @@ static int load_read (void)
        load_submit (snum, mnum, lnum);
 /* #endif KERNEL_LINUX */
 
-#elif defined(HAVE_LIBSTATGRAB)
+#elif HAVE_LIBSTATGRAB
        gauge_t snum, mnum, lnum;
        sg_load_stats *ls;