cutils: bitops: add include for bool

Change-Id: I3eca5a7c1f5ec66ded1229ccb6ca1dbb5d608ffd
diff --git a/include/cutils/bitops.h b/include/cutils/bitops.h
index 6893985..eb44236 100644
--- a/include/cutils/bitops.h
+++ b/include/cutils/bitops.h
@@ -17,6 +17,7 @@
 #ifndef __CUTILS_BITOPS_H
 #define __CUTILS_BITOPS_H
 
+#include <stdbool.h>
 #include <string.h>
 #include <strings.h>
 #include <sys/cdefs.h>