fixed comment

releng.control/commonVariations.shsource

@@ -122,7 +122,7 @@ export DOWNLOAD_ROOT=/home/data/httpd/download.eclipse.org
 # There is another variable, 'sign' in each components build.properties
 # to allow components to be the final say to allow signing.  
 # This variable, SKIP_JAR_SIGNING, should always be true for 
-$ "local" builds. 
+# "local" builds. 
 export SKIP_JAR_SIGNING=false
 
 # this is used especially during signing, where we need to execute