quickdump: fix compare_key_binary
@@ -175,7 +175,7 @@ int init (int argc, char ** argv);
\
yield_error (errorMsg); \
} \
- else \
+ else if (bmmk1size != 0) \
{ \
void * bmmk1buf = elektraMalloc (bmmk1size); \
void * bmmk2buf = elektraMalloc (bmmk2size); \
