mtdbg: Fixed magic cmd flags

Signed-off-by: Max Logaev <maxlogaev@proton.me>

programs/develop/mtdbg/mtdbg.asm

@@ -499,7 +499,7 @@ mxp_lzo_sig2_size = $ - mxp_lzo_sig2
 OnReload:
         cmp     [debuggee_pid], 0
         jnz     terminate_reload
-        mov     esi, aNeedDebuggee
+        mov     esi, need_debuggee
         cmp     byte [loadname], 0
         jnz     do_reload
         jz      put_message
@@ -2141,7 +2141,7 @@ load_err_msgs:
 .1F             db      'Not Menuet/Kolibri executable.',10,0
 .20             db      'Too many processes.',10,0
 load_succ_msg   db      'Program loaded successfully! PID=%4X. Use "g" to run.',10,0
-aNeedDebuggee   db      'No program loaded. Use "load" command.',10,0
+need_debuggee   db      'No program loaded. Use "load" command.',10,0
 aAlreadyLoaded  db      'Program is already loaded. Use "terminate" or "detach" commands',10,0
 terminated_msg  db      'Program terminated.',10,0
 aException      db      'Debugged program caused an exception %2X. ', 0