Fix compiler error

src/blockstore/implementations/testfake/FakeBlockStore.cpp

@@ -1,7 +1,6 @@
 #include "FakeBlock.h"
 #include "FakeBlockStore.h"
 #include <cpp-utils/assert/assert.h>
-#include <sys/sysctl.h>
 #include <cpp-utils/system/get_total_memory.h>
 
 using std::make_shared;

src/cpp-utils/CMakeLists.txt

@@ -31,6 +31,7 @@ set(SOURCES
         data/Data.cpp
         assert/backtrace.cpp
         assert/AssertFailed.cpp
+        system/get_total_memory.cpp
 )
 
 add_library(${PROJECT_NAME} STATIC ${SOURCES})

src/cpp-utils/system/get_total_memory.cpp

@@ -1,4 +1,7 @@
 #include "get_total_memory.h"
+#include <sys/sysctl.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 namespace cpputils{
     namespace system {

src/cpp-utils/system/get_total_memory.h

@@ -2,6 +2,8 @@
 #ifndef MESSMER_CPPUTILS_SYSTEM_GETTOTALMEMORY_H
 #define MESSMER_CPPUTILS_SYSTEM_GETTOTALMEMORY_H
 
+#include <cstdint>
+
 namespace cpputils {
     namespace system {
         uint64_t get_total_memory();