Added a null check on the vtable symbol
--HG-- extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%402327
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				| @ -38,6 +38,11 @@ int main(int argc, char **argv) | ||||
| 
 | ||||
| 	pVtable = (void **)dlsym(handle, argv[2]); | ||||
| 
 | ||||
| 	if (pVtable == NULL) | ||||
| 	{ | ||||
| 		printf("Invalid vtable symbol \"%s\"\n", argv[2]); | ||||
| 	} | ||||
| 
 | ||||
| 	if (argc >= 5) | ||||
| 	{ | ||||
| 		params = argv[4]; | ||||
|  | ||||
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