Make Gem::SystemExitException properly exit with a given code

The cause was in how Gem::SystemExitException initializes itself.  It
didn't pass an exit code to the super method.  See the document of
SystemExit.new() for details.

1 files changed, 1 insertions, 6 deletions

diff --git a/bin/gem b/bin/gem
index baf607308b..133774ff11 100755
--- a/bin/gem
+++ b/bin/gem
@@ -7,12 +7,7 @@
 
 require 'rubygems'
 require 'rubygems/gem_runner'
-require 'rubygems/exceptions'
 
 args = ARGV.clone
 
-begin
-  Gem::GemRunner.new.run args
-rescue Gem::SystemExitException => e
-  exit e.exit_code
-end
+Gem::GemRunner.new.run args