Merge pull request #1752 from BenBE/startup-boost-fix

Fix logic bug while iterating processes

Author: BenBE

linux/LinuxProcessTable.c

@@ -1600,7 +1600,7 @@ static bool LinuxProcessTable_recurseProcTree(LinuxProcessTable* this, openat_ar
       proc->isUserlandThread = Process_getPid(proc) != Process_getThreadGroup(proc);
       assert(proc->isUserlandThread == (mainTask != NULL));
 
-      if (mainTask) {
+      if (!mainTask) {
          // As the list of tasks/threads is presented as a flat view in procfs
          // below each directories main entry, it makes no sense to
          // look for further directories that will not be there.