libblkid: fix macro redefinition [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libblkid/src/llseek.c b/libblkid/src/llseek.c
index 7fb44c44d055fa2c064f779609222cb8bfd1f7d6..d5c494e2b4b947f92d68655fb9aad8c69cb9cb0f 100644 (file)
--- a/libblkid/src/llseek.c
+++ b/libblkid/src/llseek.c
@@ -9,8 +9,13 @@
  * %End-Header%
  */
 
-#define _LARGEFILE_SOURCE
-#define _LARGEFILE64_SOURCE
+#ifndef _LARGEFILE_SOURCE
+# define _LARGEFILE_SOURCE
+#endif
+
+#ifndef _LARGEFILE64_SOURCE
+# define _LARGEFILE64_SOURCE
+#endif
 
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>