launch_here: fix svn version codepath

'up' was a leftover variabled since the code was in bin/rbot. Use
SCM_DIR instead.

diff --git a/launch_here.rb b/launch_here.rb
index 63d05705826703083a4126a29615d7b93a7498a0..b57afa4e7fe3c30ece77b0659b2c5bd613a70ef0 100755 (executable)
--- a/launch_here.rb
+++ b/launch_here.rb
@@ -39,12 +39,12 @@ begin
       rev = "unknown revision"
     end
     $version << " (#{branch} branch, #{rev})"
-  elsif File.directory? File.join(up, '.svn')
+  elsif File.directory? File.join(SCM_DIR, '.svn')
     rev = " (unknown revision)"
     begin
       svn_out = `svn info`
       rev = " (revision #{$1}" if svn_out =~ /Last Changed Rev: (\d+)/
-      svn_st = `svn st #{up}`
+      svn_st = `svn st #{SCM_DIR}`
       rev << ", local changes" if svn_st =~ /^[MDA] /
       rev << ")"
     rescue => e