Fix GWT Mac OS X launcher to include all sources

If we don't put gerrit/src/main/java onto the classpath of the JRE
then the hosted mode debugger cannot launch the application.  I'm
not sure why this is necessary on Mac OS X but not on Linux, but it
seems to fix things for debugging on my laptop.

Signed-off-by: Shawn O. Pearce <sop@google.com>
1 file changed