Avoid stdint.h in Kernel module compiles
diff --git a/src/hb-common.h b/src/hb-common.h
index edd9ffb..9f1764b 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -63,6 +63,8 @@
 typedef unsigned __int32 uint32_t;
 typedef __int64 int64_t;
 typedef unsigned __int64 uint64_t;
+#elif defined (__KERNEL__)
+#  include <linux/types.h>
 #else
 #  include <stdint.h>
 #endif