do not include knetfile.h when _USE_KNETFILE is not defined

diff --git a/bam_index.c b/bam_index.c
index 5126f00c8d8da0c41e0ba2179ca23cc8d436e53f..4ff6bd482505172741c5a48ab413f141342e93bc 100644 (file)
--- a/bam_index.c
+++ b/bam_index.c
@@ -4,7 +4,9 @@
 #include "khash.h"
 #include "ksort.h"
 #include "bam_endian.h"
+#ifdef _USE_KNETFILE
 #include "knetfile.h"
+#endif
 
 /*!
   @header