Include missing header used in censoring

Censoring has been added recently but with missing header

Relates-To: NLAM-140
Signed-off-by: Rustam Gamidov <ext-rustam.gamidov@here.com>

Author: rustam-gamidov-here

olp-cpp-sdk-core/src/logging/Log.cpp

@@ -26,6 +26,7 @@
 #include <olp/core/porting/optional.h>
 #include <olp/core/thread/Atomic.h>
 
+#include <cstring>
 #include <algorithm>
 #include <string>
 #include <unordered_map>