Fix include of cutils

Change-Id: I9868298908ce501d3043326862057e8a637544af
diff --git a/partitionmanager.cpp b/partitionmanager.cpp
index a58900c..091ae32 100644
--- a/partitionmanager.cpp
+++ b/partitionmanager.cpp
@@ -38,13 +38,16 @@
 #include "twrpDigest.hpp"
 #include "twrpDU.hpp"
 
+extern "C" {
+	#include "cutils/properties.h"
+}
+
 #ifdef TW_INCLUDE_CRYPTO
 	#ifdef TW_INCLUDE_JB_CRYPTO
 		#include "crypto/jb/cryptfs.h"
 	#else
 		#include "crypto/ics/cryptfs.h"
 	#endif
-	#include "cutils/properties.h"
 #endif
 
 TWPartitionManager::TWPartitionManager(void) {