Fix log format in container macro and scanf format

Author: jerboaa

src/hotspot/os/linux/cgroupSubsystem_linux.cpp

@@ -737,7 +737,7 @@ bool CgroupController::read_number(const char* filename, uint64_t& result) {
   if (!is_ok) {
     return false;
   }
-  int matched = sscanf(buf, "%zu", &result);
+  int matched = sscanf(buf, UINT64_FORMAT, &result);
   if (matched == 1) {
     return true;
   }

src/hotspot/os/linux/cgroupSubsystem_linux.hpp

@@ -77,7 +77,7 @@
     log_trace(os, container)(log_string " failed: -2");                               \
     return false;                                                                     \
   }                                                                                   \
-  log_trace(os, container)(log_string " is: %zu", retval);                            \
+  log_trace(os, container)(log_string " is: " UINT64_FORMAT, retval);                 \
   return true;                                                                        \
 }