main: make sure the ambient caps set is valid in case we fail to read it

We ignore failures when reading this after all. Hence we better leave
the memory properly initialized.

diff --git a/src/core/main.c b/src/core/main.c
index 6e1219eddb4af45fa68c820fcb5485cd0a0b7f55..14c124dc32c861d8eae233b16fecc898dd0cb9c9 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -3013,7 +3013,7 @@ int main(int argc, char *argv[]) {
         usec_t before_startup, after_startup;
         static char systemd[] = "systemd";
         const char *error_message = NULL;
-        uint64_t saved_ambient_set;
+        uint64_t saved_ambient_set = 0;
         int r, retval = EXIT_FAILURE;
         Manager *m = NULL;
         FDSet *fds = NULL;