[docs] Fix plist generator command for leak sanitizer
The '-o' was missing in the leak sanitizer output for generating
plist files from report converter
Added the '-o' component to the command in report-converter
documentation
@@ -198,7 +198,7 @@ clang -fsanitize=address -g lsan.c
ASAN_OPTIONS=detect_leaks=1 ./a.out > lsan.output 2>&1
# Generate plist files from the output.
-report-converter -t lsan ./lsan_results lsan.output
+report-converter -t lsan -o ./lsan_results lsan.output
```
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