console: __stdcall function must preserve ebx register

git-svn-id: svn://kolibrios.org@6067 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/libraries/console/console.asm

@@ -17,11 +17,13 @@ START:
 ;      evident heap initialization, because if DLL is loaded, heap is already initialized
 ;      (if heap was not initialized, loader does this implicitly).
 ;      So this action does nothing useful, but nothing harmful.
+        push    ebx
         push    68
         pop     eax
         push    11
         pop     ebx
         int     0x40
+        pop     ebx
         or      eax, -1
         ret     4