Fix potential uninitialized variable usage in linux-sandbox-options.cc
if (!source_specified) {
^
src/main/tools/linux-sandbox-options.cc:126:8: note: 'source_specified' was declared here                                                                                  bool source_specified;
^
Closes
@@ -95,7 +95,7 @@ static void ParseCommandLine(unique_ptr<vector<char *>> args) {
extern char *optarg;
extern int optind, optopt;
int c;
- bool source_specified;
+ bool source_specified = false;
while ((c = getopt(args->size(), args->data(), ":W:T:t:l:L:w:e:M:m:HNRUD")) !=
-1) {
