Revert brocken clock change

include/xerus/misc/timeMeasure.h

@@ -29,9 +29,9 @@
 namespace xerus {
     namespace misc {
         ///@brief: Returns the time since epoche in microseconds.
-        size_t uTime();
+        uint64 uTime();
 
         ///@brief: Returns the time since epoche in milliseconds.
-        size_t mTime();
+        uint64 mTime();
     }
 }

src/xerus/misc/timeMeasure.cpp

@@ -27,14 +27,14 @@
 
 namespace xerus {
 		namespace misc {
-		size_t uTime() {
-			return static_cast<size_t>(std::chrono::duration_cast<std::chrono::microseconds>
-				(std::chrono::steady_clock::now().time_since_epoch()).count());
+		uint64 uTime() {
+			return static_cast<uint64>(std::chrono::duration_cast<std::chrono::microseconds>
+				(std::chrono::system_clock::now().time_since_epoch()).count());
 		}
 
-		size_t mTime() {
-			return static_cast<size_t>(std::chrono::duration_cast<std::chrono::milliseconds>
-				(std::chrono::steady_clock::now().time_since_epoch()).count());
+		uint64 mTime() {
+			return static_cast<uint64>(std::chrono::duration_cast<std::chrono::milliseconds>
+				(std::chrono::system_clock::now().time_since_epoch()).count());
 		}
 	} // namespace misc
 } // namespace xerus