blkidP.h: add missing extern "C" declaration

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/lib/blkid/blkidP.h b/lib/blkid/blkidP.h
index b3fe4a668a451e9d061684573686ac5164200949..68ea5724fc5eecc99b3c1c6949370c6988734a3d 100644 (file)
--- a/lib/blkid/blkidP.h
+++ b/lib/blkid/blkidP.h
@@ -23,9 +23,12 @@
 #endif
 
 #include <blkid/blkid.h>
-
 #include <blkid/list.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifdef __GNUC__
 #define __BLKID_ATTR(x) __attribute__(x)
 #else