[lldb][FreeBSD] Fix a typo in NativeProcessFreeBSD::MonitorSIGTRAP() (llvm#109643)

Apparently a typo is causing compile error, added by llvm#108504.

(cherry picked from commit 85220a0)

Author: kiyolee

lldb/source/Plugins/Process/FreeBSD/NativeProcessFreeBSD.cpp

@@ -324,7 +324,7 @@ void NativeProcessFreeBSD::MonitorSIGTRAP(lldb::pid_t pid) {
         auto thread_info =
             m_threads_stepping_with_breakpoint.find(thread->GetID());
         if (thread_info != m_threads_stepping_with_breakpoint.end() &&
-            threads_info->second == regctx.GetPC()) {
+            thread_info->second == regctx.GetPC()) {
           thread->SetStoppedByTrace();
           Status brkpt_error = RemoveBreakpoint(thread_info->second);
           if (brkpt_error.Fail())