Fix exit status codes

Using an exit status of -1 everywhere leads to the status being
converted to 255 when output to a calling application. While this does
signify an error it has a reserved meaning for exit status out of range.
Lets use a valid general exit status of 1 instead.

Change-Id: I326701c78985e34c430c258fe31d9e910da10405
Signed-off-by: William A. Kennington III <wak@google.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/control/argument.cpp b/control/argument.cpp
index d9b832d..e014453 100644
--- a/control/argument.cpp
+++ b/control/argument.cpp
@@ -33,7 +33,7 @@ ArgumentParser::ArgumentParser(int argc, char** argv)
         if ((option == '?') || (option == 'h'))
         {
             usage(argv);
-            exit(-1);
+            exit(1);
         }
 
         auto i = &options[0];